A gravity-operated shutter ventilation grille with back spigot for indoor or outdoor use. Push-fit installation makes it ideal for bathroom, kitchen or hydroponic extractor fans. Prevents back-flow, odours and draughts while supporting whole-house ventilation, HVAC, air conditioning and heat recovery systems.
- Plastic ducting air inlet/outlet with gravity shutters and round back spigot
- Automatic non-return shutter flaps close when idle to stop odours and draughts
- Easy push-fit installation with ducts and fittings
- Rain and weatherproof
- Supports HVAC, passive ventilation, positive input, AC and heat recovery systems
- Suitable for bathrooms, kitchens, hydroponics or in-line extract fans














