14x14Inch Square Magnetic Vent Covers, 4Pcs Magnetic Cover Extra Strong Magnets Register Cover, Fits Steel Vents Only, Ceiling Wall AC Heater Vents Magetic Cover

Material: The square magnetic vent cover is made of premium magnetic material, which is thick, durable and has strong magnetic force, ensuring that they will not slip or fall off, providing a safe and stable covering function. Cover Size: 14" x 14", Thickness 60 mil (1.5 mm), Square corners, allow us to cut into different size. Fits vent faces between 13.5" to 14" wide and 13.5” to 14” long. Measure your vent face before ordering. Function: our magnetic vent covers for floor are suitable for steel and metal vents at home, ceiling, wall, HVAC, AC, air outlet, RV, offices and commercial spaces and more; The magnetic register vent covers can also prevent dust, dirt, and debris from entering the ductwork, block noise between vents or buildings areas Warm tips: The air vent magnetic covers are suitable for magnetic metal material, otherwise it will not stick. Not suitable for aluminum, wood, or plastic vent. Please use a small magnet to check or test whether your vent can be attracted