16x20x4 (3 5/8) Pleated MERV 7 Air Filters 1 Pack reflectors and grow lights Manure Management

Manure Management

Release Rates: Use at the rate of 1 adult per 20-100 square feet for preventative use

Cuts up to 1 inch thick stems of dry or green wood

It is suitable for both indoor and outdoor growing but is most recommended for indoor use for crops requiring a lot of water

• DIMENSIONS: 10 x 12 x 1

16x20x4 (3 5/8) Pleated MERV 7 Air Filters 1 Pack reflectors and grow lights Manure ManagementImportant 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 16x20x4 filter