125mm Slate Grey External Gravity Shutter Vent Weatherproof Backdraught Wall Grille for Extractor Fans, 5" Ducting & MVHR Systems Non Return Outdoor Air Cover

Slate Grey wall vent finish – Designed to suit brickwork and exterior walls, providing a clean, discreet appearance that blends well with common outdoor surfaces. Gravity non-return shutters – Integrated gravity flaps close automatically when not in use, helping reduce cold draughts, dirt, insects, and backflow through the duct. Standard 125 mm duct compatibility – Designed to fit 125 mm ducting, suitable for bathroom extractor fans, general ventilation systems, and heat recovery units. Quick and simple installation – Designed for straightforward external wall fitting using basic fixings, allowing fast installation without specialist tools or adjustments. Durable weather-resistant plastic – Manufactured from hard-wearing plastic designed to maintain strength and performance in typical UK outdoor weather conditions., Manufacturer: FANTRONIX