Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 15 Plus Carbon 4 Pack Light Fixture providing highly accurate results wherever

providing highly accurate results wherever you test

1 gram/ounce graduation

The heavy-duty aluminum foil and strong acrylic adhesive ensures an airtight seal on any ducting gap

All necessary feed and return plumbing

Shoe covers protect against liquids and particulates

Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 15 Plus Carbon 4 Pack Light Fixture providing highly accurate results whereverImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. We also carry 4 3 8 and 5 1 4 inch depth filters,