FilterLock® 1 Air Filter Replacement Seal

website furnace filter slot cover Furnace filter slot cover that is an easy fix to HVAC air leaks Here's the link to AllergyZone furnace filter slot furnace filter The problem is you might think you are doing everything correctly but if you have

furnace filter slot cover Note that there is no door that closes to cover the filter slot It's permanently open by design AFAIK Thanks More Pictures Filter  If your filter slot doesn't have a cover, air, dust, and debris can be sucked into your system  This patented two-piece system is designed for 1-inch air filters Placing it over the furnace filter slot eliminates air leakage, which improves indoor air

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