20x20x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack hydro-components supporting both plant roots and

supporting both plant roots and beneficial bacteria in a fish-safe environment

Green Coconut Carbon Filter

The PowerVEG 460 Fluorescent grow light helps indoor gardeners bridge the gap between the vegetative and flowering stages

Keep out of reach of children and animals

20x20x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack hydro-components supporting both plant roots andImportant 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,