AllergyZone FilterLock Furnace Filter Slot Seal

I have a house where the furnace has a 25 x 1 wide slot in the air intake where I slide the 16x25x1 filter in from the top

If your filter slot on your furnace is exposed, dust and dirt can bypass your filter and go

furnace filter slot cover The FilterLock seals furnace and air conditioning air filter slots to reduce utility bills and improve indoor air quality The Filter Slot Cover eliminates

escalante slot canyons filter slot I contacted the company and they said “you just have to It had to cover the entire media and be strong enough to hold the filter