- Set of 4 NQEUEPN 17011-13 magnetic vent covers, designed to protect floor, ceiling, or wall grilles. - Dimensions of 30.5 x 10.2 cm, suitable for most residential and commercial vents. - Premium PVC material with magnetic frame, ensuring durability and secure attachment to metal surfaces. - Filter mesh that blocks dust, hair, debris, and small objects, preventing duct blockages. - Easy installation: adhere by simply pressing and remove easily for cleaning or reuse. - Improve air quality and the efficiency of HVAC systems. - Elegant black color, discreet and easy to match in any environment. - Effective solution to keep ducts free of dirt and extend the lifespan of ventilation systems.