To vent applications including tumble dryers, cooker hoods and bathroom fans etc. The gravity flap outlet is designed to help shield the duct from the wind and deflect the air away. Gravity external vent - 100mm spigot.
100mm 4" white gravity 2 flap style vent for tumble dryer or extractor fan etc
100mm 4" Black gravity external vent for tumble dryer / extractor fan
Tumble Dryer Vent kit (Black gravity outlet 3 flaps) 100mm/4" round through wall
100mm 4" Cowl vent & non return flap - Tumble dryer- Extractor fan - Cooker Hood
Brown Louvred grille with flyscreen 100mm 4" round spigot - Domus wall vent
100mm 4" white Cowl with non return flap for tumble dryer or extractor fan etc
