190 mm x 190 mm Plastic ducting air inlet / air outlet with gravity shutters - 4 inches / 100 mm r...190 mm x 190 mm Plastic ducting air inlet / air outlet with gravity shutters - 4 inches / 100 mm round male spigot on the back of the grille for indoor or outdoor use. Designed to terminate your extract duct to an external wall. Non-return shutter flaps close automatically when not in use. Stops unpleasant odours, noises, or draughts flowing back through your duct. Gravity flap - no need for springs that could break. Gravity operated flaps that close when not in use. Easy to install, just push-fit duct and fittings together. Perfectly suited bathroom or kitchen extractor fan, hydroponics fan, or in-line extract fan. This grille can be used as a part of a long ductwork run for a variety of purposes including whole-house ventilation, passive ventilation, positive input, air conditioning, HVAC, and heat recovery systems. Manufacturer: SolaDirect
B&Q - Black Gravity Grille 100 mm / 4" External Ducting Air Vent With Round Spigot And Non-Return Gravity Shutters For Extractor FansFree delivery in 1–3 days£9.49Visit shop →
B&Q - Black Gravity Grille 150 mm / 6" External Ducting Air Vent With Round Spigot And Non-Return Gravity Shutters For Extractor FansFree delivery in 1–3 days£10.49Visit shop →
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190 mm x 190 mm Plastic ducting air inlet / air outlet with gravity shutters - 4 inches / 100 mm round male spigot on the back of the grille for indoor or outdoor use. Designed to terminate your extract duct to an external wall. Non-return shutter flaps close automatically when not in use. Stops unpleasant odours, noises, or draughts flowing back through your duct. Gravity flap - no need for springs that could break. Gravity operated flaps that close when not in use. Easy to install, just push-fit duct and fittings together. Perfectly suited bathroom or kitchen extractor fan, hydroponics fan, or in-line extract fan. This grille can be used as a part of a long ductwork run for a variety of purposes including whole-house ventilation, passive ventilation, positive input, air conditioning, HVAC, and heat recovery systems. Manufacturer: SolaDirect