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None 12 in. x 12 in. Vent Cover
None 12 in. x 12 in. Vent Cover
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Central air conditioning vent covers winterize your home by blocking cold drafts from exiting your central AC vents. Vent covers include a rubber gasket to seal vents, registers and associated duct work from contaminants, moisture, construction dust, mold, and fungi, and stop heat loss from cold drafts. Durable and reusable, they will last many, many years.