Kair White 125mm Cowled Wall Vent Grille with Backdraught Shutter | Push-fit installation, Helps prevent backdraughts, Cowl helps block rain and wind, Cover size 125mm, For 125mm round ducting

KAIR COWLED WALL OUTLET 125MM ROUND SPIGOTKair cowled vent with damper flap & 125mm round spigot. Designed for use with 125mm / 5 inch round ducting. Cowl protects against driving rain and gusts of wind entering your property via the duct run. Damper flap can be closed to help reduce unpleasant odours, noises, or draughts flowing back through your duct. 5 inch / 125mm round male spigot on the back of the grille fits inside most comparable size pipes/hoses such as Kair 125mm Round Female Duct Pipe Part: DUCVKC267 or 127mm flexible hose Part: DUCP0092/127/35. Wipe-clean durable design for indoor or outdoor use. Suitable to use in compliance with Part F Building Regulations. Airflow performance independently tested by BSRIA or BRE. Free Air: 7200mm2.Static Pressure Drop in Pascals: 15 l/s = 4.72 Pa - 30 l/s = 17.18 Pa - 60 l/s = 62.48 Pa.Built to last out of high-quality Polystyrene/Polypropylene plastic material. Max / Min Temperature: +60c / -15c.Easy to install and durable, just push-f