20x25x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack Chemicals * Ideal for guiding and

* Ideal for guiding and supporting plants during the flowering/bloom stage of life

All Growlight Gardens come complete with auto-watering capability via SunBlaster's "Wicking System"

Perlite can reach temperatures of approximately 1600-1700 degrees F

research-backed mycorrhizal inoculant that colonizes plant roots and extends their reach far beyond what roots alone can access

20x25x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack Chemicals * Ideal for guiding 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,