16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 12 Air Filters 1 Pack Master Controller Flip Box Ready

Flip Box Ready

weather-resistant material that surpass the quality of competitors

This air conditioner’s portability makes it ideal for growers who don’t want to invest in pricey ductwork or central AC installation

where most aeroponic system will fail

Duct collars: 8"

16x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 12 Air Filters 1 Pack Master Controller Flip Box ReadyImportant 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,