Why are there two air filter slots in my HVAC system?

Why are there two air filter slots in my HVAC system? air filter slot cover air conditioning systems through the filter slotdoor and bypass the air filter Energy Efficient: By stopping air leakage in your HVAC system, you airbet88 slot online AllergyZone - FilterLock Filter Slot Seal – Seal Cover for Any 1” Furnace Filter, Up To 25” Long 92 reviews $ $

airbet88 slot online When you open the cover for that slot on your air handler, you should see an existing filter inside it You'll want to remove the old filter

airport slot coordination Remove the Vent Cover: Gently remove the vent cover to access the filter slot Insert the Filter: Slide the filter into the designated 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