SEAL360 Square Magnetic Vent Cover (1 Piece), Pockets for Complete Seal, 12 x 12 (White) for Floor, Wall, or Ceiling Air Vents and Registers, Vent

BOOST air to the rooms you need it BLOCK air in unoccupied rooms SAVE MONEY- heat and cool only the rooms you use For STEEL Vents only (Vent faces sized 12x12). Not for aluminum/high vents.

4 Pack Strong Magnetic Vent Covers for Home Ceiling, 8x15.5 Inches Furnace Vent Cover for Steel Air Registers, Floor, Wall, RV, HVAC

5.5 x 12 Extra Magnetic Floor Vent Covers Stronger Magnet for Floor Air Registers for RV, Home HVAC, AC and Furnace Vents (Not for Ceiling Vents) (1 Pack, White Grille))

Strongest Magnetic Vent Covers (3-Pack), Flexible Floor Vent Cover, Cut to Size Air Vent Covers, Heat/AC Vent Covers for Home Ceiling Registers, 8 x 15.5 Vent Covers Magnet Wall/Ceiling Vent Cover

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

SEAL360 Magnetic Floor Vent Covers (3-Pack), Pocket for Complete Seal, 5.5 X 12 (Woodgrain) for Floor Air Vents and Registers, Vent Not Included

XFasten Magnetic Vent Cover, Industrial Grade Magnets for Sidewall and Floor Vents - for RV, Home HVAC, AC and Furnace Vents, 8-Inch x 17-Inch, Pack of 5

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

SEAL360 Square Magnetic Vent Cover (1 Piece), Pockets for Complete Seal, 12 X 12 (White) for Floor, Wall, or Ceiling Air Vents and Registers, Vent

Magnetic Vent Covers for Home Floor Easily Cut Air Magnetic Vent Covers for Ceiling Thick Register Vent Cover for Wall Ceiling RV, HVAC, Air Conditioner, Fireplace and Furnace Vents (4 x 79

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

SEAL360 White Magnetic Vent Covers (3-pack) | Pocketed Design for Complete Seal | 5.5 x 12 for Floor, Wall, or Ceiling Vents and Air R HJ73982

SEAL360 Magnetic Vent Covers - Hivewize Designs

Frost King 15 in. x 8 in. Magnetic Grille Covers MC815 - The Home Depot