16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 15 Plus Carbon 1 Pack odor-control Adding more of THE GREEN

Adding more of THE GREEN PADS will increase your PPM's in your specific area

Each kit features an controller located on the power cord

Application Uses: May be used indoors/outdoors with all hydroponics

Pressure (Pa) - 818Pa

16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 15 Plus Carbon 1 Pack odor-control Adding more of THE GREENImportant 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,