Deflecto Magnetic Vent Cover, For Sidewall and Floor Vents, 8.5″ x 15″, 3 Pack (MVCX512): Home Improvement
Magnetically seals the air from passing through closed metal vents on the floor. Does not have adequate strength to adhere to ceiling. Cuts easily with scissors to size, can be painted or papered to match any décor. Redirect air flow to needed areas for added comfort. Pack of Three.