20x25x5 (4 3/8) Lennox X6673_X6675 Replacement  MERV 8 Pleated Plus Carbon 2 Pack complete-systems NPK: 1-3-6

NPK: 1-3-6

as the earthworms burrow

• Dense Neoprenes

It's proven design and high quality materials combine to deliver higher quality trimming to your harvesting project

Injection capabilities of 1:100 to 1:20

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement  MERV 8 Pleated Plus Carbon 2 Pack complete-systems NPK: 1-3-6Important 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. We also carry 4 7 8 and 5 1 4 inch depth filters,