Insulated Magnetic A/C Vent Cover for 11 x 11 Aluminum A/C Vents

11 x 11 magnetic vent cover stops warm air from passing through. These covers help stop the flow of air to unnecessary areas.
Magnetic Insulated A/C Ceiling & Wall Vent Cover Fits most 11 x 11 Steel Vents. Stop cold drafts and heat loss through your home's vents and registers using Elima-Draft A/C Vent and Register Covers. Elima-Draft Magnetic A/C Vent covers are lined with EcoFoil reflective foil bubble insulation to stop the transfer of radiant heat and add an R-Value 6 thermal insulation. The ELMDFT11A register cover installs in seconds without tools using strong rare-earth magnets. Elima-Draft insulated covers are perfect for ceiling vents, A/C wall vents, and cold air returns. Elima-Draft covers are also useful for painting contractors and duct cleaning contractors to contain debris and minimize mess and cleanup time. Not Just For Steel Registers - Elima-Draft vent covers are available to fit nearly any size register in your home, including non-magnetic aluminum vents. Save up to 10% on energy bills annually. Made in the USA.

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Insulated Magnetic A/C Vent Cover for 11 x 11 Aluminum A/C Vents