SYOSI 4 Inch Stainless Steel Air Vent Covers, External Walls Extractor Fan Exhaust Outlet Cover

【Easy Installation】: Available for wall mounting or ceiling mounting. Easy installation with standard tools perfect for hobbyists and professionals. Insert the socket into the ventilation pipe and fasten it to the wall with the screws provided., 【Great for Home Use】The flap in the dryer vent cover is sealed from one side to prevent air from entering the ventilation system. A foam stopper has been installed on the inside of the hood to keep this air vent open and close quietly., 【Home Improvement】Especially suitable for use with the dryer vent hose. Perfect for bathrooms, kitchens, offices, garages, sheds, campers, AC, RV, and range hood extractors. Ideal for room exhaust and ventilation use., 【Premium Material】: The vent covers are made of brushed 304 stainless steel material, are durable, anti-rust and corrosion resistants., 【Customer Service】: If you have any questions We will reply to you within 24 hours and will do our best to guarantee you a pleasant shopping experience.