Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 13 Plus Carbon 4 Pack Led Our Patent-pending products are designed

Our Patent-pending products are designed to optimize your grow operations

devices like fans or pumps can be controlled based on time rather than Temperature

apply with a spreader sticker like Therm-X 70

¾" fill/drain fitting

Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 13 Plus Carbon 4 Pack Led Our Patent-pending products are designedImportant 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,