20x25x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack micro-nutrients a 50 cube plastic insert

a 50 cube plastic insert and 50 ready-to-plant Root Riot™ Plant Starter Cubes

VTM Series

The Max-Fan™ is an inline mixed flow fan capable of medium to high static pressure

then tuck away safely for storage or transport

20x25x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack micro-nutrients a 50 cube plastic insertImportant 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