16x20x4 (3 5/8) Pleated MERV 12 Air Filters 2 Pack growing-media A high performance drainage layer

A high performance drainage layer is especially important if your plants are grown in plastic containers or with saucers underneath which can trap excessive moisture and create a soggy root zone

The Eugenol and molasses in Part A will make its way down to and kill the roots and/or root ball of the undesired plant

Clear Vinyl Tubing - (ID) 1/4" - (OD) 3/8" - 1000 ft

Color Temp / CRI 5500 /75 K/CRI

Use as a nutrient or supplement during the vegetative stage of plant growth

16x20x4 (3 5/8) Pleated MERV 12 Air Filters 2 Pack growing-media A high performance drainage layerImportant 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