Envisivent's 4 in. x 12 in. Removable Magnetic Flush-Mount Ceiling/Wall Air Supply Vent makes maintenance and cleaning simple and quick. The strong magnets ensure a secure fit, allowing the vent to stay in place during regular use while providing easy access when needed. Perfect for areas where space is limited or aesthetic appeal is important, this 4 in. x 12 in. air supply vent offers reliable performance and durability. Its versatility makes it an excellent choice for installation in both new builds and renovation projects, enhancing comfort and air efficiency.