Air Bear 16x25x5 (4 7/8) Air Filter Replacement MERV 15 Plus Carbon 2 Pack Cloning & Seed Starting Each zone controls 256 fixtures

Each zone controls 256 fixtures

Best results in warm (above 60°F)

With built-in humidistat controls

Heavy duty and reusable

The Max-Fan® Pro Series has a much more robust housing due to the fiberglass reinforced plastic compounds that meet all of the UL and CSA requirements

Air Bear 16x25x5 (4 7/8) Air Filter Replacement MERV 15 Plus Carbon 2 Pack Cloning & Seed Starting Each zone controls 256 fixturesImportant 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,