Slot Covers

filter slot cover   Dan filter slot cover

FilterLock Furnace Filter Slot for HVAC Filters Works Great solution to cover opened ac filter slot Works great! Thank

Is Your Furnace Sucking In Dirty Air? Our Furnace Filter Magnetic Slot Seal is the answer to this question Our air-sealed cover has been specifically The Department of Energy Says - Coverseal furnace filter slot to eliminate air leaks Dimensions - 4-34 Wide

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