20x25x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 2 Pack cococube Hydrofarm Automatic Spray Air Mist

Hydrofarm Automatic Spray Air Mist Dispenser

Size: 23x20x6

Depending on the stage of development

Original and Silver Bullet systems

PRO-MIX HP-CC MYCORRHIZAE™ is a lightweight

20x25x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 2 Pack cococube Hydrofarm Automatic Spray Air MistImportant 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