AllergyZone FilterLock - Seal Cover for 1” Furnace India

Cut out the 1in slot and change to 4in slot Any side effect of doing this to the HVAC motor? No negatives Any tips on how to perform the job

Contractor's Assistant: Did you check the furnace's filters? I only have the one filter The old one is out but a piece of the cardboard edge

furnace filter slot The 1 filter slot in a typical furnace return has a pretty poor seal around the filter, which will let a certain amount of air just leak past

slot sweet Sizes are listed as nominal size first, actual assembled dimensions second Does your furnace take a 2, 4 or 5 filter slot? Ask us about adaptor use, email