Frost King 8-in x 15-in Magnetic Mount Vent Cover in White in the

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Accord 3-Pack 8-in x 15-in Magnetic Mount Vent Cover in White at

Magnetic Vent Covers

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Frost King 8-in x 15-in Magnetic Mount Vent Cover in White in the

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Frost King Heat and Air Deflector HD5 - The Home Depot

This plastic vent cover, which is made from a durable, recycled plastic will help seal off unused vents to help cool down or heat up your house. AC draftshields create a vacuum like seal to help prevent cold air sneaking into your home. The plastic vent cover is effective in preventing drafts which cannot be stopped by just closing your vents damper. AC draftshield covers are a smart way to save money on your energy bills.

AC Draftshields 12 in. x 12 in. Vent Cover

Thermwell Magnetic Register and Vent Cover, 8 x 15 - 3 pack