20x20x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack spl_fluence providing multiple sources of nitrogen

providing multiple sources of nitrogen to discourage burning as well as working together with the microbes to ensure a balanced release cycle and a diverse profile of micronutrients

the effects are limited to early growth stages and eggs

actually coconut coir pith

nurturing plants with a generous range of amino acids

Power: 190W

20x20x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack spl_fluence providing multiple sources of nitrogenImportant 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,