20x25x4 (3 5/8) Pleated MERV 10 Air Filters 2 Pack growing-accessories One of the smallest yet

One of the smallest yet most powerful Ultra-Low Volume (ULV) foggers available on the market

(best for thicker oils)

the area to be treated should be watered before application and for several days after application

1" corrosion resistant brass ball valve

Food- and furniture-grade materials

20x25x4 (3 5/8) Pleated MERV 10 Air Filters 2 Pack growing-accessories One of the smallest yetImportant 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