20x20x4 (3 5/8) Pleated MERV 14 Air Filters 2 Pack steel plant stake Measures in PPM (parts per

Measures in PPM (parts per million)

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

It improves yield and quality of the harvest by improving moisture retention as well as reducing moisture stress

Minimum order quantity for this item is 4 units

TWO FREE pre-filters included

20x20x4 (3 5/8) Pleated MERV 14 Air Filters 2 Pack steel plant stake Measures in PPM (parts perImportant 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 20x20x4 filter