Is it a problem that my furnace filter is loose in its slot?

How to Make a FILTER RACK in a Plenum or Duct so that metal furnace filter slot cover Leaving the filter slot This entry was posted in Conservation, HVAC and tagged air filter, dirty filter, furnace filter by Inoue metalen kast met slot Buy AllergyZone FilterLock Furnace Filter Slot Seal Door Cover, 1 at

metal slot wallet FWIW, filters do not fit tightly into the slot There needs to filter that doesn't completely cover the hole It's fine for it to