16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 1 Pack spl_fluence The Nanolux Summit series modular

The Nanolux Summit series modular lighting system allows growers to invest in lighting systems that can be utilized in many different applications

Hydrofarm’s newest T5 system delivers performance

Remote Control

No rinse required

Experience bountiful blooms

16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 1 Pack spl_fluence The Nanolux Summit series modularImportant 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,