20x25x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack Pots and Containers Number of Units Per Pallet:

Number of Units Per Pallet: 4

The SAM 400® is hospital proven in nationally recognized with facilities such as NYU Medical Center

They can live for up to one month as adults and lay up to 200 eggs in that period

Product Highlights High Pressure Sodium with adjusted blue spectrum brings you the best yields in flowering and fruiting

Sleeves are tear-resistant and made in an ISO-certified facility to ensure the highest quality

20x25x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack Pots and Containers Number of Units Per Pallet:Important 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