ng 180mm X 90mm – Airbrick With Damper
Fits inside Kair Rectangular Plastic Flat Ducting 180mm x 90mm Part: DUCVKC651.
Backdraughts shutter stops unpleasant odours, noises, or draughts flowing back through your duct.
Depth of rear spigot: 60mm. For use with 180mm X 90mm duct.
Can be used for whole house ventilation, passive stack vent, air conditioning, HVAC, and Heat Recovery Systems.