Brown Cowled Outlet Grille 155Mm External Dimension Wall Vent with 100Mm - 4 Inc
KAIR COWLED WALL OUTLET 100MM ROUND SPIGOT. Kair cowled vent with damper flap & 100mm round spigot. Cowl protects against driving rain and gusts of wind entering your property via the duct run. Just push-fit duct and fittings together.