20x25x4 (3 5/8) Pleated MERV 14 Air Filters 6 Pack pest-and-disease-control UJB can be used throughout

UJB can be used throughout the entire growth cycle

Big Time Exterminator is the most cost effective way to keep your plants free of harmful pests

Rice Weevil

Soaking: (Oasis cubes

20x25x4 (3 5/8) Pleated MERV 14 Air Filters 6 Pack pest-and-disease-control UJB can be used throughoutImportant 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