The air inlets are made of rigid polyurethane foam with a hard and smooth surface. Our products are manufactured from raw material systems designed for moulding using foaming agents with zero ozone depletion potential.
Polystyrene air inlets with flange. They are light, rigid and durable as well as UV resistant. The polystyrene construction provides excellent conditions for keeping the air inlets clean by cleaning it with a pressure washer. The design of the ventilation window allows for the exchange of air right next to the wall.