20x25x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon 1 Pack New-releases minimize problems and maximize your

minimize problems and maximize your plants' full potential with Botanicare's pH Up and pH Down solutions

using sunrise/sunset programming to blend seamlessly with ambient light cycles

SUPERthrive Bloom 3-12-6 is an essential tool for gardeners and growers looking to maximize flowering potential and plant vitality

20 AdjustaDrive Kit comes complete with a variable speed LightRail 4

20x25x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon 1 Pack New-releases minimize problems and maximize yourImportant 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