20x25x5 (4 3/8) Lennox X6673_X6675 Replacement  MERV 10 Pleated Plus Carbon 1 Pack spl_allstate allowing for frequent

allowing for frequent

• Horse Power: 1 HP

pH+ is designed specifically to increase the pH level during both the Grow and Bloom phase

light-weight High Performance Resin Polymer Shell

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement  MERV 10 Pleated Plus Carbon 1 Pack spl_allstate allowing for frequentImportant 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,