20x25x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 1 Pack soil nutruient 🛡️ Strengthen disease resistance —

🛡️ Strengthen disease resistance — healthier soil biology means more resilient plants

Also functions as an excellent "finishing" formula for determinate plants

you can use these screens to get the most out of your extraction experience

- Measures 24"L x 20"W x 10"H

Length 24″

20x25x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 1 Pack soil nutruient 🛡️ Strengthen disease resistance —Important 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