20 x 20cm Air Vent Cover Plastic Wall Air Vent Grille Cover 3 Flaps with Net Louvre Insect-Proof and Anti-Dust (20 * 20cm) Windows

Material: The product is made of high quality and plastic. This material will not be corroded and very easily cleaned up. It can be removed easily to be cleaned with no rust. You can use it safely for a long time. Automatically Design: This air vent will shut down automatically when the dryer is not on and pushing hot air thru the vents. It helps during the cold days to keep the draft from coming thru the vents or thru the dryer. It can easily open the flaps when any pressure is applied from the inside. When the pressure is finished, if mounted correctly. Wide Application: It can be installed in your home, office or anywhere you want. It can be installed in the outer wall or ceiling, prevent the pest into the room by net. And it is also a decoration of supply and exhaust vents of public, residential and industrial ventilation systems. Quality Assurance: All of the product are strictly inspected before shipment, so please purchase with confidence. Please contact us if there is a defective product due to manufacturing reasons. Function: This plastic air vent can achieve indoor and outdoor air circulation so you can always enjoy the fresh air. And it also can be used to keep out rodents, birds, and other critters from flying or crawling inside the house., Weight: 0.2645547144 pounds, Manufacturer: Hztyyier