- 100mm Extractor Fan Vent With Gravity Flaps (Grey)

B&Q

Grey Air Vent Ducting Grille For 4 Inch (100mm) Extractor Fan Ducting Wall vent with gravity flaps and weather sill. Helps prevent backdrafts. Manufactured with UV stable materials to reduce colour fade. Suitable for round 100mm (4 Inch) ducting. Overall size: 140mm x 140mm. British made. ABS thermoplastic. Complies with Part F building regulations. Suitable for commercial and domestic use. Other vents and colours available in our shop.