Magnetic Vent Cover for Steel Vents - 11-1/4 x 12-3/4

Magnetic Insulated A/C Ceiling & Wall Vent Cover, Fits 11-1/4 to 12-3/4 Steel Vents., Stop cold drafts and heat loss through your home's vents and

Magnetic Air Vent Cover - AC Vent Cover - Flexible Magnet Vent Covers for Ceiling Floor Wall Vents - Air Register Cover - ​​Vent Blockers

Magnetic Air Vent Covers, Strong Magnet Cover 6 X 12 (4-Pack

Magnetic Register Cover For 11-1/4 x 12-3/4 Steel A/C Vents

Magnetic Air Vent Cover - AC Vent Cover - Flexible Magnet Vent

Elima-Draft 11-1/4 in. x 11-1/4 in. to 12-3/4 in. x 12-3/4 in

💙【Stronger Magnet】: With 1mm thickened stronger magnet while general cover is 0.6mm, the magnetic air vent cover sticks to your floor/ceiling/wall

Magnetic Air Vent Covers, Strong Magnet Cover 6 X 12 (4-Pack), with Powerful Sticky Adhesive for RV/Home HVAC/Ceilings/Wall/Floor Air Register

Elima-Draft 11-1/4 in. x 11-1/4 in. to 12-3/4 in. x 12-3/4 in

Elima-Draft 11 1/4 x 11 1/4 to 12 3/4 x 12 3/4 Insulated

Elima-Draft Air Conditioner-Heat Ceiling-Wall Vent-Register Covers

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SEAL360 Magnetic Vent Covers (3-Pack), Pockets for Complete Seal