Where is the Air Filter in My HVAC System?

FR20253-2SLOT BELVENT FILTER RACK 20 X 25 W 2 SLOT 2 FILTERS MFC2025 COVER FOR 3X20 FILTER RACK MAGNET MFC2025 COVER MFC2025

filter slot is almost always on this return air side (the suckie side, not the blowie side

metal slot You could cut a piece of sheet metal to cover the opening and seal that with tape Share

metalen kast met slot : FilterLock seals one inch furnace and AC filter slots to improve indoor air quality and reduce utility bills Cover for furnace filter Cover for filter slot