Air Bear 16x25x5 (4 7/8) Replacement 255649-105 MERV 10 Air Filters 1 Pack Aeromixer Synthetic Pro Edition You can use enzymes to

You can use enzymes to flush or add them to the nutrient solution throughout the grow cycle

helping to keep labor costs down

No matter the size

0 is rated to 35 lbs

oyster shell lime (pH adjuster)

Air Bear 16x25x5 (4 7/8) Replacement 255649-105 MERV 10 Air Filters 1 Pack Aeromixer Synthetic Pro Edition You can use enzymes toImportant 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,