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SEAL360 vent covers are thin magnetic sheets with a thick magnetic perimeter and raised pockets that clear protruding vent louvers and frames. The pocketed design lets the magnet sit flat on the solid parts of the register instead of bridging over ridges and leaving a gap. They suit homeowners, renters and RV owners who want to close off a floor, wall or ceiling vent without tools or tape. Compared with flat magnetic covers, which often slide off or leak air around raised features, the pocketed shape is the main difference; owners rate them highly for staying put and sealing.
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Lowest price we've seen: $29.97 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.
Owners rate these highly, with 4.9 out of 5 from 412 ratings. Most praise how well the pocketed magnet seals over raised vent features and stays in place, and many say flat covers failed where these work.
SEAL360 magnetic vent covers close off a floor, wall, or ceiling vent or air register. They can be used on RV and home HVAC and AC vents. This listing is for a 3-pack of covers in white. The vents themselves are not included.
Each cover has a thick magnetic perimeter that bonds to the solid portions of the vent. Pockets in the cover fit around parts of the vent that protrude. This helps the cover conform to the vent and avoid an air gap, which can happen with paper-thin magnets or overly thick, stiff ones.
