20x20x4 (3 5/8) Pleated MERV 8 Air Filters 2 Pack PPE Water tank can also be

Water tank can also be configured for continuous drainage

The Airis Turboo has been designed to heat cartridges ultra-fast

Soil Activator will also improve the moisture retention of your soil to support bacterial populations and will help your plants manage transplant shock thanks to the colonization of bacteria that aid in the transport of nutrients and provide the ideal soil environment for root development and establishment

• Highly concentrated

20x20x4 (3 5/8) Pleated MERV 8 Air Filters 2 Pack PPE Water tank can also beImportant 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 20x20x4 filter