MIND & ACTION Magnetic Vent Covers, Extra Strong Magnets 12\" x 12\", Ultra Thick 55mil, Magnetic Air Vent Cover for Home Floor, Wall, Ceiling, RV, HVAC, AC Vents, Magnetic Vent Cover for Iron Register is up for auction in Home & Kitchen. The current bid is $5.00, 80% below the $24.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.