6-inch Push Fit PVC Gravity operated Bathroom Ventilation Extractor Fan Not Return Air Valve Back-draft Shutter Outlet Damper Grille 150mm Whole House Ventilation
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Colour: Brown Gravity Grille
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£ 9.99
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Product description
- Brown Plastic Ducting Air Inlet Air Outlet with Gravity Shutters - 6 inch 150mm round male 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 draughts flowing back through your duct. Gravity flap - no need for springs that could break.
- Suitable to use in compliance with Part F Building Regulations.
- 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.
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