20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 14 Air Filters 2 Pack pumps-and-irrigation-supplies aerating the soil to allow

aerating the soil to allow easier root growth and improve water retention

refreeze the included ice pack and store the nematodes in the shipping container

XNutrients Grow Spray is a power packed nutrient spray applied to a plant’s leaves prior to its flower and fruit stage

Use for inter-canopy lighting or as a primary light source

Save money and reduce waste

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 14 Air Filters 2 Pack pumps-and-irrigation-supplies aerating the soil to allowImportant 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,