20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 12 Air Filters 1 Pack spl_ps Use with the ILUMINAR Lighting

Use with the ILUMINAR Lighting Touch+ controller or ILUMINAR Lighting Dimmer Switch

* Wide range working temperature

This addition to the Debug family of products offers a formulation with less Neem Oil (Fats and Glyceridic Fats of Margosa) than the others

was designed in Humboldt County to be used with our Micro and Bloom to be a complete growing nutrient system for hydroponics as well as other growing mediums

20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 12 Air Filters 1 Pack spl_ps Use with the ILUMINAR LightingImportant 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,