Air Bear 20x25x5 (4 7/8) Replacement 259112-102 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack nutrients and supplements The addition of these B

The addition of these B vitamins puts this PK Booster into a class of its own

• Plants are equipped for rapid transplant success and long-term health

• Biofungicide (Bacillus subtilis)

Keif Collection System

Deliver growth-boosting CO2 with our user-friendly

Air Bear 20x25x5 (4 7/8) Replacement 259112-102 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack nutrients and supplements The addition of these BImportant 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,