4Pcs Magnetic Rectangular Vent Register Cover, in White, Reusable, 5.9" X 11.8"

Magnetic: Our Anisotropic Magnetic Vent Caps Provide The High Magnetization And Sealing Of Your Grille, Vent Or Diffuser And Can Even Be Mounted On Ceiling Vents, Unlike Most Magnetic Vent Caps On The Market Today. Thick Vent: Our Magnetic Vent Is 1.5mm Thick To Ensure A Perfect Seal With Light Weight; Pvc Up To 0.1mm Thick And Can Be Attached To Siding, Floors And Ceilings For Use In Homes, Offices, Rvs, Boats And Almost Anywhere With An Hvac System; You Hold On To It And Don'T Have To Worry About Breaking Away. Save Money: Save Your Bill Today By Using Our Magnetic Ventilation Boxes To Seal In Air And Prevent Any Free Space Heating Or Cooling From Going To Waste; The Temperature Range Is -4 To 230 Degrees Fahrenheit. Cut To Any Shape And Size: The Original Size Was 5.5 X 12 Inches, You Can Cut Or Trim The Vent Cap To More Precisely Fit Your Vents. Aohao Magnetic Reusable Vent Covers, in White Can Be Painted So You Can Ensure a Perfect Match with Your Wallpaper or Accent Color.

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