Air handler filter slot difficult to navigate when replacing filter

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

Furnace filter slot cover that is an easy fix to HVAC air leaks Here's the link to AllergyZone

airport slot The filter box cover is removed, to show the slots where the prefilter, bag filter and HEPA filter are installed Air flow into the cleanroom is from right to

air 138 slot Air Filter Efficiently seal air leakage and by-pass at your filter slotdoor with our Air Filter SlotDoor Cover Designed to force dirty air to travel