16x20x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 6 Pack Neem oil Flexible Installation – Options for

Flexible Installation – Options for suspended or freestanding installation

Sugar Peak Flowering's special feature is the built-in convenience of a single hydro-fusion formula

Experience the power of a ballast straight out of Hydrofarm’s value line

The E39 6KV 2000W socket features a 15 ft power cord which is compatible with the most common ballasts

16x20x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 6 Pack Neem oil Flexible Installation – Options forImportant 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