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Ahlsell ProductsVentilation

Ventilation

Make sure you have good ventilation products! Ahlsell's ventilation range spans duct systems, devices, valves, indoor grills, hoses with accessories, roof hoods, exterior wall grills, ventilation accessories, filters, mounting materials, fans, aggregates, cooker hoods, controls, regulations, fire gas dampers, and flat strip plates.

Products (1043)

Polyester filter complete with filter holder 200 series, Franke

Polyester filter complete with filter holder 200 series, Franke

Art. no.: 9650050

Polyester filters complete with filter holder for the 200 series. Contains:
Filter holder 1 PC
Polyester filter 1 PC
Filter basket 1 PC

Knob, Franke

Art. no.: 19058401

Various accessories for Futurum cooker fan.

Metal wire filter for cooker hoods / hoods, Franke

Metal wire filter for cooker hoods / hoods, Franke

Art. no.: 9094087

Metal wire filter that fits Franke cooker hoods / hoods in the 200-, 400-, and Futurum series.

Metal wire filter for cooker hoods / hoods, Franke

Metal wire filter for cooker hoods / hoods, Franke

Carbon filter for cooker hood, Franke

Carbon filter for cooker hood, Franke

Art. no.: 9000856

Used to convert fans type F210 and F215 to charcoal filter fans. The filter replaces the existing grease filter in the grid on the suction side.

Carbon filter for cooker hood, Franke

Vibration Plates

Vibration Plates

Art. no.: 3820575

Rubber plate / vibration insulator for vibration damping of eg washing machines, pillar drills, transformers etc. Art. 6652902 is ribbed on both sides. Art. 6652911 and 3820575 are smooth on both sides.

Vibration Plates

Novibrace Plate

Novibrace Plate

Art. no.: 238746

Dimensions: L600 x B500 mm

Fan Pax, Calima

Fan Pax, Calima

Art. no.: 9302508

Fully automatic and control-free, for continuous operation, app-controlled. With built-in all-pole switch.
Features: Fully automatic. Three speed modes and boost mode: - Low speed (basic flow / basic ventilation). - Medium speed (lag time via presence sensor). - High speed (activated via humidity sensor or manual start via switch). - Boost mode, programmed or activated via the app. - Ventilation function, switchable. Mounted against own separate duct Ø100-140 with natural draft (ceiling) or without natural draft (outer wall). Built-in All-pole switch.
With App control via Bluetooth BTLE4.

Window Valves Fresh 31, 32 and 42

Window Valves Fresh 31, 32 and 42

Art. no.: 6621551

The Window valve is manufactured in plastic. The vent consists of an internal part and external wind-protection. The internal part is in endowed with a regulator for continuous opening or closing of the valve. The terminal is made from ABS plastic. Screw and nail included. The valve is primarily intended for closing windows and is surface-mounted onto the frame or arch. Fresh 31 supplies air directly into the room while Fresh 32 spreads air upwards and downwards.

Mesh Welded

Art. no.: 195903

For plastering reinforcement, as well as countless areas of application within the ventilation industry.

Heat Recovery Unit NEW HERU 160 T EC, Östberg

Heat Recovery Unit NEW HERU 160 T EC, Östberg

Art. no.: 19059856

Heat Recovery Unit NYA HERU 160 T EC
? NEW! Controlled by the HERU IQ app via Bluetooth or cloud service (use of cloud service requires internet connection, via modular cable, not included).
? Wall model with top connection.
? Designed for supply and exhaust ventilation with energy recovery, so-called FTX.
? Suitable for installation in apartments, small houses, offices, and other premises where high indoor environment standards are required.
? High temperature efficiency, low energy consumption (SFP), low noise level, high operational reliability, and provides clean indoor air.
? A unique design where all thermal bridges are minimized.
? Integrated Modbus communication as standard. No accessories required.
? Easy installation with the help of a wizard.
? Possibility to create operating schedules.
? Integrated control for preheater.
? Support for connecting presence sensors.
? The airflow is generated by two quiet radial fans with EC motors, fan wheels with backward-curved blades.
? The fans are connected with quick connectors and are very easy to remove for cleaning.
? Regenerative rotary heat exchanger of non-hygroscopic type, made of aluminum and centrally located in the unit. The heat exchanger can be easily dismantled for cleaning.
? Delivered with combustible cassette filter type ISO ePM1 50% as standard, for both exhaust and supply air. The filters are very easy to replace.
? Built-in control for heating/cooling. The unit can be used to improve comfort in the premises through heat recovery or night cooling.
? The unit is equipped with a built-in electric reheater.
? The inside of the unit is made of galvanized steel sheet, while the outer casing is made of steel sheet coated with Galfan. The outer casing sheet has corrosion class C3.
? 50 mm insulation in the sides, top, bottom, and doors of the unit. 30 mm insulation in the back of the unit.
? Placed in a warm space, such as a laundry room, storage room, or utility room.
? Ordered in right- or left-hand design.
? HERU 100T and HERU 160T are equipped with a connection for a kitchen hood. Air from the kitchen hood does not pass through the rotor, ensuring that cooking odors do not return to the premises.
? HERU 100T and HERU 160T are equipped with a plug. Integrated sound dampers on the supply and exhaust sides.
? Three-year warranty with continuous operation.
NOTE! The warranty for HERU is only valid provided that accessories/equipment (e.g., filters) from the H.Östberg AB range are used.

Motor Capacitors, EBM Papst

Motor Capacitors, EBM Papst

Art. no.: 19025412

EBM Papst supplies motor capacitors for fans and units.

Duct Fan CK EC, Östberg

Duct Fan CK EC, Östberg

Art. no.: 19052653

Backward curved blades on the fan wheel, outer rotor engine in EC version and straight throughput. CK EC is compact, requires the least space and provides high capacity. Handles high pressure and long ducts with maintained low noise level.
It can be speed regulated through voltage/frequency change. Damp shielded and approved for wet areas. It can be fitted with a horizontal or vertical air direction. Stable cover made of galvanised sheet steel.
The motor is equipped with approved motor protection. Protection class IP 44.

Duct Fans CK AC, Östberg

Duct Fans CK AC, Östberg

Art. no.: 6611532

Backward curved blades on the fan wheel, outer rotor engine and straight throughput. CK is compact, requires the least space and provides high capacity. Handles high pressure and long ducts with maintained low noise level.
It can be speed regulated through voltage/frequency change. Damp shielded and approved for wet areas. It can be fitted with a horizontal or vertical air direction. Stable cover made of galvanised sheet steel.
The motor is equipped with approved motor protection. Protection class IP 44.

Soft duct cleaning rods, Nordic Eco Systems

Soft duct cleaning rods, Nordic Eco Systems

Art. no.: 19034683

Soft for dimensions 65-150 mm.

Kitchen and ventilation hose, KF 6.0m, Rec Indovent

Kitchen and ventilation hose, KF 6.0m, Rec Indovent

Art. no.: 19050503

Type-approved as a connection between the kitchen fan / cooker hood and kitchen flue in addition to the air device and ventilation duct. PVC-coated glass fibre cloth and completely imbedded steel spiral. Temperature range: -5° C to +90° C.

Ventilation Net

Ventilation Net

Art. no.: 109850

Insect net of polyethylene intended for insect barrier in ventilation openings in eaves, windows and other ventilation devices. Mask size 1.6 mm.

Ventilation Net

Rail EF Stex 45/45/1.5mm, MEFA

Rail EF Stex 45/45/1.5mm, MEFA

Art. no.: 3878591

Rail EF Stex 45/45/1.5mm, MEFA

Duct NTO, 1.5 m, spiral-seamed, ETS

Duct NTO, 1.5 m, spiral-seamed, ETS

Art. no.: 6640020

Spiral-folded ventilation ducts. Unlocked. Dimensions and tolerances (according to European standard - EN 1506). The pipes are made of hot-dip galvanized steel sheet according to EN 10327 with zinc thickness 275 g / m2 (double-sided). This material is suitable for use in environment with corrosivity class C2 according to ISO 9223 and / or environmental class M2 according to HVAC AMA 98. Tolerances Sheet thickness: According to SS-EN 10143 Weight: +/- 10%.

Ventilation duct in unlocked design.
NOTE! the price is per piece but orders can only be made on whole frp.

Air purification unit (Ozone), WOZ 400

Air purification unit (Ozone), WOZ 400

Art. no.: 77952049

Carbon filter mat for cooker hood, Franke

Carbon filter mat for cooker hood, Franke

Art. no.: 9000851

Used to convert fans type F210 and F215 to charcoal filter fans. The filter replaces the existing grease filter in the grid on the suction side.

Grill diffuser GTHc, Swegon

Grill diffuser GTHc, Swegon

Art. no.: 6621172

GTHc is a rectangular grille for supply air. Suitable for wall mounting. The grille has both horizontal and vertical air deflectors. In order to regulate or measure the airflow, GTH must be used with the TRG plenum box. Max air volume is specified as 35 dBa, including plenum box.
Works together with the TRGc plenum box.

Room Thermostat TM1-P Electronic, Regin

Room Thermostat TM1-P Electronic, Regin

Art. no.: 6611063

An electronic room thermostat for wall mounting indoors with change-over contact for heating and cooling regulation. Sensors are integrated with the possibility of external sensors. Max load 230V AC, 16A. Protection form IP30.

Roof Fan TFSK EC, Systemair

Roof Fan TFSK EC, Systemair

Art. no.: 66421026

TFSK EC are roof fans equipped with EC motors and intended for use as exhaust air fans in smaller spaces such as homes, storage and smaller work rooms. The fans are delivered with a connected potentiometer (0-10V) and are foldable and equipped with service switches for easy cleaning and To protect the motor from overheating, the fans have a built-in thermal contact with automatic reset.The fan is designed so that it provides horizontal exhaust air that causes small internal losses and makes icing on roofs more difficult.
TFSK has a square connection. To avoid problems, we recommend that the fan runs continuously

Roof Fan TFSK EC, Systemair

Measuring and Regulating Damper ARMS, a-collection

Measuring and Regulating Damper ARMS, a-collection

Art. no.: 6542802

This damper of type IRIS is a precision device for controlling and adjusting air flow in circular ducts. Each damper is individually calibrated to provide the best measurement results. Airflow is obtained by measuring the pressure drop on the diffuser’s fixed measuring nipples and reading the corresponding airflow from the diagram.
Thanks to the central throttling of airflow in the diffuser, the air stream in the duct is even, and the noise level very low.
Can be opened 100%, so it is perfect for installation in ducts that require cleaning.
Made of galvanised sheet steel and provided with adjustment scale and adapters. Conforms to density class C.

Circular Silencer TOC50, Grundström

Circular Silencer TOC50, Grundström

Art. no.: 66443219

Grundström TOC is circular silencer with circular connection. They are available with 50mm or 100mm insulation, which are de-capped with fibre fuse and perforated sheet metal that gives a very low pressure drop. TOC is accredited by SP SITAC in density class D and fire technology class E120 / EI30.

Exhaust air pack, PAX CALIMA

Exhaust air pack, PAX CALIMA

Art. no.: 9302539

Comes complete with a wet-room Pax Calima fan, cold-air damper, 2 wall tube 100 mm and white exterior wall-grate. The exhaust package is intended for mounting directly in the outer wall, and fits walls of thicknesses from 60 to 320 mm. Recommended wall hole measurements, 110 mm.

Duct Fans K EC SILEO, Systemair

Duct Fans K EC SILEO, Systemair

Art. no.: 66411001

EC fans are very energy efficient and easy to control. They can be controlled speedlessly to match the airflow requirement, potentiometer supplied. For the same air flow, they consume considerably less energy than fans with AC motors. EC motors contribute to large reductions in energy use, especially in speed control. In speed control the energy consumption of the EC motor is much lower than for an asynchronous motor with a corresponding power. Reduced energy use guarantees lower operating costs. The K EC series is intended for duct mounting. All K-fans have at least 25 mm long connection socket. To facilitate installation, the K-fans have pre-assembled mounting brackets as standard. FK bracket makes mounting / disassembly easy and prevents vibration transfer to duct. The fans have backward curved blades and maintenance-free outer rotor motor (EC) and are supplied with a pre-coupled potentiometer (0-10V), factory set to 6-10V. To protect the motor from overheating, the fans have integrated motor protection. The casing is made of galvanized steel sheet and is folded, which provides a close to airtight casing.

Fresh air valve A 98P, a-collection

Fresh air valve A 98P, a-collection

Art. no.: 6621515

Flexible wall valve for wall mounting, intended for continuous ventilation of houses. Fitted with filter and condensation insulation.
The air quantity is regulated with a continuous precision throttle which is manoeuvred by a slider. Complete with bushing Ø98 / 102 mm and external grille.
Made of white plastic, NCS S0502-Y. Can be combined with Fresh TL accessories.

Panel 210, Franke

Panel 210, Franke

Art. no.: 9000513

Various accessories for Futurum cooker fan.

Art. no.: 19063224

HMH2 is a 2-step electromechanical hygrostat for controlling and regulating humidification and/or dehumidification systems in climate and ventilation installations. HMH2 has two micro switches. The step difference between them can be adjusted steplessly with a set screw. The hygrostat uses a hair element as a moisture sensor. Since the contacts are changeover, the hygrostat can control both humidification and dehumidification. Comes in standard design with changeover contact 250V AC 10A. Since the contacts are changeover, the hygrostat can control both humidification and dehumidification. Can be mounted in a duct or on a wall. The hygrostat is delivered with a bracket that fits both mounting methods. Setting range 10-100% RH with a switching differential of 3% RH at 45% RH. The temperature range refers to the maximum allowable temperature at the sensing element, ambient temperature at the device housing. The dimensions refer to the device housing. The tube has a length of 222 mm with a diameter of 35 mm.

Roof Fan TFSR, Systemair

Roof Fan TFSR, Systemair

Art. no.: 6610979

TFSR is a series of ceiling fans that have a circular base frame with single-suction radial fans equipped with backward-curved blades and maintenance-free outer rotor motors. The fans are foldable and equipped with service switches for easy cleaning and service and 1m electrical cable for connection to junction box. To protect the motor from overheating, the fans have impedance-protected motors. TFSR is screwed to the TOB / TOS roof bushing and then connected to the TOB / TOS junction box.The fans are made of galvanized sheet steel, powder coated.TFSR 125-160 is supplied with Ø 160 inlet pipe TFSR 200-315 with Ø 200. To avoid problems, we recommend that the fan runs continuously • Swing-out • Voltage adjustable • Easy to install • Maintenance-free and reliable
Black = RAL 9005
Red = RAL 8004

Silicone Hose

Art. no.: 411885

Liquid transporter in food, pharmaceutical and chemical technology sectors as well as for coffee and drinks machines, and laboratory equipment. Interior and exterior of smooth, transparent silicone rubber. Resistant to weak acids, alkaline solutions and low aroma oils. Silicone rubber withstands autoclaving/sterilisation, boiling water and low-pressure steam and is not contaminated by smells or tastes. Resistant to attack by bacteria and mould. Superior resistance to sunlight, ozone, weather and wind, gamma and x-ray radiation.

Kitchen and ventilation hose PVC, KF 0.75 m a-collection

Kitchen and ventilation hose PVC, KF 0.75 m a-collection

Art. no.: 6530590

Type-approved as a connection between the kitchen fan / cooker hood and kitchen flue in addition to the air device and ventilation duct. PVC-coated glass fibre cloth and completely imbedded steel spiral. Temperature range: -5° C to +90° C.

Roof Pass-through TGÖ, Östberg

Roof Pass-through TGÖ, Östberg

Art. no.: 6611731

The upper bracket TGÖ is intended to be used for mounting together with TKC in a single-family house.TGÖ is made of powder coated galvanised steel (black and brick red) and is available in a flat and profiled version. The profiled variant is suitable for concrete roof tiles. The upper bracket is equipped with with brace lock for the attachment of the roof fan with a circular connector (TKC). Power outlets with 2 metre cable installation (type EKK) as well as the socket diam 200 mm (nipple). TGÖ fitted at right angles to the roof, regardless of the roof slope.
The upper bracket TGÖ is supplied without a subassembly TGÖ 6611733, which must be ordered separately.

Roof Pass-through TGÖ, Östberg

Roof Pass-through TGÖ, Östberg

Filter for Fresh Valves

Filter for Fresh Valves

Art. no.: 6621558

Various filters for Fresh valve.

Fresh Air Vent Fresh TL100DE T NEW

Fresh Air Vent Fresh TL100DE T NEW

Art. no.: 9302642

Fresh fresh air vents are installed in bedrooms and living rooms. A rule of thumb for the correct number of vents is one in each bedroom and two in the living room. In some cases, it is wise to increase the number of vents if multiple people sleep in the same room or if the total living area is larger than usual. The Fresh TL DE series are sleek wall vents. TL DE comes standard with condensation protection, storm protection, and is also paintable. The vent has a telescopic function of 185-340mm; for thicker walls, extend with modular pipes. Installation/Placement The vent is placed high up on the wall, approximately 220 cm from the floor or with the top edge of the vent at least 10 cm from the ceiling.

The vent is excellent for use with underfloor heating. In this case, place the vent at least one meter from the window to prevent cold drafts due to cold radiation through the window. The vent should be placed directly above the heating element. This utilizes the rising heat from the radiator, known as convection current. Comfortable air distribution The air distribution is carefully developed; the vent releases air upwards and to the sides.

The outside air mixes very effectively with the room air, and just a few decimeters from the vent, the incoming air has reached a comfortable temperature. Storm protection saves energy Regardless of the weather, the storm protection slows down high airflows, which contributes to lower heating costs compared to a traditional vent. The storm protection provides good comfort in the room and reduces the risk of drafts.

Filter and maintenance Maintain good indoor air quality by regularly changing and maintaining your filters. To ensure good air quality and maintain flow, the filter should be cleaned or replaced one to two times per year. The standard filter is washable; use a mild soap solution. The pollen filter and electrostatic filter should be replaced with new ones. The filter is mounted in a filter holder behind the front. The front can be easily folded up for access to the filter holder. When using the electrostatic filter, the filter holder is replaced and cannot be combined with storm protection.
Replaces 9302600 (629700)

Fresh Air Vent Fresh TL100DE T NEW

Backdraft Damper, a-collection

Backdraft Damper, a-collection

Art. no.: 6526107

For connection to circular ducts. Made of galvanised steel plate. The two discs in the jaw damper are spring-loaded, which means that the damper can be mounted in the direction of your choice.

Transformer Regulator STR 1, Sentera

Transformer Regulator STR 1, Sentera

Art. no.: 6511672

For manual voltage control of the five fixed steps with a 0 position. For the rpm speed control of voltage adjustable single phase motors.
Adjustment takes place by means of the switch on the front cover. Operation indicator lamp is on the cover. The stable housing is made of plastic. Protection level IP 54.

Transformer Regulator STR 1, Sentera

Viaduct 100s Duct fan

Viaduct 100s Duct fan

Art. no.: 9302330

Flexible duct fan for mounting in ventilation ducts with inside diameter of at least Ø100mm. Equipped with ball bearing motor, which allows both horizontal and vertical positioning. Perfect for the ducts at wall/wall and roof/wall intersections. Can be combined with external controls.

Metal Hose RE-Flex Drasuten, Rec Indovent

Metal Hose RE-Flex Drasuten, Rec Indovent

Art. no.: 19050511

Practical connection between ventilation duct and terminal.
Flexible connection hose with factory-assembled sleeves with push-on dimension. Temperature range max +200°C.
Made of corrugated, folded aluminium band. Type-approved.

Cooker hood F602-10 Apartment Stainless Steel, Franke

Cooker hood F602-10 Apartment Stainless Steel, Franke

Art. no.: 9000848

Cooker hood for recessed installation or installation under cabinet row. Slim front (33 mm).
Halogen lighting. Stainless metal wire filter.
Timer-controlled, motorised damper.

Cooker hood F602-10 Apartment Stainless Steel, Franke

Cooker hood F602-10 Apartment Stainless Steel, Franke

Supply air diffuser CDDb, Swegon

Supply air diffuser CDDb, Swegon

Art. no.: 6621003

CDDb is a circular, perforated supply air terminal for placement on the ceiling. The device is white lacquered. The terminal can be supplemented by the ALSc plenum box.
The terminal can be used as an exhaust air terminal. Max air volume is specified as 30 dBa, 50 Pa with 360º diffusion.

SmartAccess, Swegon

SmartAccess, Swegon

Art. no.: 66130082

For connection to the Internet, to the Internet 3G / 4G or to the Internet WLAN.

Smoke detector UG-3-A *O Standalone, Calectro

Smoke detector UG-3-A *O Standalone, Calectro

Art. no.: 759128

Control panel IQC Touch display kit, Östberg

Control panel IQC Touch display kit, Östberg

Art. no.: 19059849

ICC Touch Intelligent control system for a healthy and energy-efficient indoor climate.
Connects wirelessly to your HERU air handling unit.
User-friendly 4.3" color touch panel.
INTERFACE – User-friendly interface tailored for the end user and the installer – Installation wizard that steps the installer through the installation. – Status bar for quick overview. – Quick info explaining the active panel.
PREHEATER – Possibility to easily install preheaters for control from the display.
HOLIDAYS – Ability to create periodized schedules in addition to weekly schedules.
CLOCK – Screensaver that also shows time and temperature.
COLOR THEME – Choose a light or dark color theme to match the decor of your home.
PIR SENSOR/TIMER - Possibility to activate extended operation and away mode via external timer or PIR sensor.
LAN – Modbus via TCP/IP which provides the opportunity to easily integrate the unit into a BMS system.
VOC SENSOR – New upgraded menu system that supports regulation of VOC.
HERU IQ APP – Control your HERU with your smartphone without buying any additional accessories. Internet connection required.

Measuring and Control Damper IRIS, FläktGroup

Measuring and Control Damper IRIS, FläktGroup

Art. no.: 6642875

IRIS is a damper intended for air flow measurement and control. IRIS consists of control discs, adjusting nut or handle (size 80), and adjustment scale plus manometer connections and body. The connection sockets are fitted with rubber seals made of EPDM material. The damper's body and control discs are made of hot-dip galvanized sheet steel, polyacetal control unit and the measuring nipple made of TRP plastic. Delivered without individual packaging and without adjustment key. Meets density class C. The air flow at 35 dB (A) is specified at 50 Pa.

Exhaust Air Valve URH, Halton

Exhaust Air Valve URH, Halton

Art. no.: 19056977

The exhaust valve model URH has an adjustable center cone and a connection piece made of epoxy-coated steel in white (RAL 9003). URH features a bayonet fitting and is mounted with a mounting frame that is ordered separately. The opening position of the center cone is adjusted during balancing to achieve the desired pressure drop and airflow. The position of the center cone is locked in the selected adjustment position after balancing.
URH is mounted in the KKT or KKU mounting frame

Cleaning brushes for ventilation ducts Soft, Nordic Eco Systems

Cleaning brushes for ventilation ducts Soft, Nordic Eco Systems

Art. no.: 19034713

The soft brushes are designed for use in flexible pipes, pipes with insulation on the inside and usual pipelines.

Control unit RCBK4, Bevent Rasch

Control unit RCBK4, Bevent Rasch

Art. no.: 6542902

Control unit for control and monitoring of dampers with fire and/or smoke function. With built-in transformer from 230V to 24V for actuator feed.
Up to 4 dampers and 4 smoke detectors divided into four groups.

Filter DriPak GX ePM1 65%, Dinair

Filter DriPak GX ePM1 65%, Dinair

Art. no.: 19052759

DRIPAK GX is an energy efficient microfibre bag filter with very high performance and wide use. With metal frame, 25 mm thick as standard.

Measuring and Regulating Damper PRA, Halton

Measuring and Regulating Damper PRA, Halton

Art. no.: 6642814

PRA is a cone-shaped iris damper and has manual adjustment with knob. The adjustment damper contains an adjustable cone and measuring socket for measuring the pressure difference in the air flow. The measuring damper housing and the cone-shaped iris blades are made of galvanized steel. The air flow calculation is based on measuring the pressure difference caused by the air flow over the damper cone. The adjustment damper is provided with an indicator and marking for the adjustment position which is used during cleaning. The installation direction of the damper must correspond to the air flow direction. The air flow direction is marked with an arrow on the housing. The height refers to the slider and is added to the diameter of the damper. The density class refers to the housing. Temperature range -30° C to +70° C

Transfer unit RW60, REC Indovent

Transfer unit RW60, REC Indovent

Art. no.: 6521021

RW60 is a noise reducing excess air device that ensures that the sound value of the wall is maintained. With RW60, you'll get a complete solution with silencers and under ceiling units that meet all sound requirements when high noise reduction is required. RW60 meets the over hearing requirements for transfer air in all buildings that are up to sound class A.

The air duct has been developed to provide very good noise reduction with low pressure drop as well as the greatest possible combination of mounting flexibility while providing high airflow (up to 50 l / s) through high free area and very good noise reduction.
Well suited for use in schools, offices, hospitals, laundry rooms or in other areas where there is a sound dampening requirement for the wall.

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