Ventilation grille 150 mm with mosquito net, 304 stainless steel non-return valve Weather protection grille, Ø150mm ventilation grille for VMC pipe and sheathing

This stainless steel ventilation mesh has added a thin net on the original, which can be used to effectively stop insects and small animals from entering. Suitable for indoor and outdoor use. Suitable for exhaust ducts, hoses, dryers, garages, hoods and vents. Stainless steel drain grille with movable slats to prevent water from seeping in and a round back fitting to prevent water backflow, suitable for indoor and outdoor use. Ideal for drains, pipes, dryers, bathrooms, kitchens, garages, hoods and vents. Standard size 150mm diameter ventilation grilles can be used in 150mm diameter ventilation ducts to cover the ventilation duct opening and prevent rainwater from seeping in while ensuring good ventilation. The entire installation process can be completed in a few minutes. Just insert the ventilation grille into the ventilation duct or flexible hose, and then nail 4 screws into the wall, which completes the entire installation process.