Magnetic Furnace Filter Cover

cover of that box out When you pull that cover out, you'll see a furnace filter Or maybe you won't Maybe they didn't even have one in there But you will

Search for a slot about one inch wide with a hinged cover or removable cover Where to Find Air Filters in Different Types of HVAC Systems

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

spansluiting met slot =youtube&cm_mmc=Social-_-Youtube-_-ProductVideo-_-809423 Filter Monster FilterLock