To cover intake and extract openings in walls, made from polymers.
- Attractive corrosion and weather resistant finish to prevent rain and snow from entering the system.
- Frame and louvres made from impact resistant and UV stable light-grey polymer. Mesh guard made from galvanised steel and coated with polymer. Designed to avoid unwanted access to the system. Mesh size 8 mm.
- Simple installation, fixing with screws and masonary plugs included.
With adapter F. (accessory see product page 252) also suitable for circular ducting.