20x25x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Packs veg-and-bloom - Will work with any

- Will work with any ballast

Contains Non Plant Food Ingredient Humic Acid

Filter Washable: MERV 8

Features eco-safe components as well as a low maintenance

the Triminator Dry uses our proprietary shear band technology to eliminate the need for lubricants and vaccums

20x25x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Packs veg-and-bloom - Will work with anyImportant 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