Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 13 Plus Carbon 2 Pack spl_magfan not for use on wool

not for use on wool

Silicone backed nylon exterior

Use clean measuring instruments--do not put anything into the bottle

no guesswork

Angled stakes hold 1/4" tubing securely in place in a way that virtually eliminates kinks and clogs

Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 13 Plus Carbon 2 Pack spl_magfan not for use on woolImportant 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,