Nimoa Wall Vent, Plastic Air Vent Covers for Walls, Vent Systems Grille Cover 3 Flaps Wall Duct Ventilation Grill With Net (15 * 15cm)

High quality material: This wall vent cover is made of high quality and durable plastic. This material will not be corroded and very easily cleaned up. You can use it safely for a long time, practical and durable to use Air circulation: You can keep indoor and outdoor air circulation through this wall ventilation grill Fly-proof design: Equipped with fly screen, pastic air vent covers for walls opens automatically when the wind blows. The window vent is a good choice for your home, office or anywhere you want Paintable: Air vent covers for walls inside can be painted to match home's exterior as you want Application scope: Air brick covers for outside walls is suitable for covering ceiling openings and ducting vents. 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