16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 15 Plus Carbon 1 Pack lighting-accessories Richest spectrum on the market

Richest spectrum on the market

15A 120V switches ON when sense cord is powered

KIND Grow is designed for the vegetative period of the growth cycle

Automate and connect multiple plants

Broad Mites (Polyphagotarsonemus latus)

16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 15 Plus Carbon 1 Pack lighting-accessories Richest spectrum on the marketImportant 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,