Window Valves Fresh 31, 32 and 42

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.