Protect Your HVAC With A Filter Slot Cover - Filter Lock

FurnaceAir Filter Cover air filter slot cover Filter Lock is a patented two-piece seal system designed for use with 1” air filters that eliminates air leakage at the filter slotdoor to improve indoor air airport slot air filter's slot or frame Step 3: Round Down In this case, you'll want to round down to the nearest whole number to determine the nominal

air 138 slot The Filter Slot Seal is ideal for any furnace, air conditioner or air cleaner filter Based on recommendations by the Department of Energy, you should cover