20x25x4 (3 5/8) Pleated MERV 13 Air Filters 2 Pack microbial fertilizer The motor box containing the

The motor box containing the fan’s impeller and blades can be detached from the mounted frame for easy cleaning and maintenance

Use to Kill Russet Mites

Sweet Potato Weevil

CLONE MODERATELY DIFFICULT TO ROOT PLANTS (#8)

20x25x4 (3 5/8) Pleated MERV 13 Air Filters 2 Pack microbial fertilizer The motor box containing theImportant 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