Does a NG furnace typically come with filter box? - HVAC-Talk

The 1 filter slot in a typical furnace return has a pretty poor seal around the filter, which will let a certain amount of air just leak past

1 Fabricate and install a filter media box on site · 2 Slide the filter into the slot and place the filter access panel cover over the opening · 3 Complete

furnace filter slot cover You can also measure the filter slot Your filter's MPR indicates its ability to capture tiny particles between and 1

wheel of wonders slot Magnetically attaches to ductwork to cover furnace filter slot door Two-piece design works with any 1-inch furnace filter up to 25 inches long Universal one-