16x20x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 6 Pack Grow System/ Trays/ Reservoirs 99 x Micro Drip |

99 x Micro Drip | 2-Way Parallel Split Micro Tube Dripper Assembly 30" x (Single Unit)

A key feature of the AWOL backpacks is the closure system

A Tailored Growing Experience

Min Salinity: 0

When paired with the QC (quality control) conveyors

16x20x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 6 Pack Grow System/ Trays/ Reservoirs 99 x Micro Drip |Important 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. If you are replacing a 4 3 8 depth 16x20x4 filter