Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 10 Pleated Plus Carbon 4 Pack nutrients-and-supplements For maximum uniformity

For maximum uniformity

Sending / Receiving Capacity - 500pcs / 200pcs

sampling and testing and a lengthy aging and curing process

Developed for hydroponics and soilless gardening

Why the GroGreen Garden Hose Filter

Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 10 Pleated Plus Carbon 4 Pack nutrients-and-supplements For maximum uniformityImportant 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,