20x25x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack drying-racks The end result

The end result

Our new way to knock out an infestation is spray two days in a row to kill all adult and nymph mite’s which will end the feeding frenzy

the light is dimmable by knob manual dimmer or RJ11 connection for massive control opperation

enhanced crop quality and increased yields

EC-to-TDS Conversion Factor: NaCl (avg of 0

20x25x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack drying-racks The end resultImportant 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 20x25x4 filter