KEIBIKEIDI Square Cowled External Air Vent Wall Vent 100mm-4 inch Stainless Steel Cushioned Non Return Moving Gravity Flap to Protect Against Insects and Wind Noise for Outdoor

Product description

• Function -The cowled external vent interior has stainless steel cushioned non return moving flap to again keep out rain. It can also effectively prevent external rats, insects, birds and disorderly objects from entering, prevent the blockage of the pipeline, and ensure the smooth pipeline.
• Great For Home Use - there are two pieces of foam stopper in the outdoor exhaust vent to keep the quiet while working .The metal flap in the vent is sealed from one side to prevent birds,rats,cold air from entering the ventilation system.Ventilation system keep the air fresh in the house. Does not affect the overall appearance of the house.Superior alternative to plastic cowls and grilles.
• Widely Application Especially suitable for use with tumble dryer hose. The 4 inch exhaust vent is perfect for bathrooms fans, kitchen fan, office, garages, sheds, campers, range hood extractors. Ideal for variety of industrial uses,room exhaust and ventilation use.
• Easy Installation Easy indoor outdoor installation. Stainless steel external vent with rear spigot for use about 100mm ducting systems. The vent is installed by inserting the nozzle into the ventilation duct,then wall vent is fixed in place by 4 screws.The included rubber gasket minimizes noise.