16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 13 Plus Carbon 2 Pack AC / Dehumidification / Humidification From large commercial drying rooms

From large commercial drying rooms to small ones (and everything in between)

and the other ½ dose within the last hour of brew

This Product Controls These Pests or Diseases: Fruit Flies

Replacement spray head for EZ-Clone systems

Beyond tube maintenance

16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 13 Plus Carbon 2 Pack AC / Dehumidification / Humidification From large commercial drying roomsImportant 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,