B&Q - Brown Gravity Grille 183mm External Dimension With 150mm6 Inch Round Rear Spigot And Not-Return Shutters

Brown Plastic Ducting Air Inlet / Air Outlet with Gravity Shutters. 183mm x 183mm external dimension with 6 inch / 150mm round male rear spigot on the back of the grille for indoor or outdoor use. Non-return shutter flaps close automatically when not in use. Stops unpleasant odours, noises, or draug...