20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 14 Plus Carbon 1 Pack Environmental Controllers Spray application is suggested for

Spray application is suggested for those diseases affecting leaves

It increases yields when used as a preventative by keeping pests

• Waterproof cable joint

The porous fabric allow for air to enter on all sides

and you want to connect the Hydro-x

20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 14 Plus Carbon 1 Pack Environmental Controllers Spray application is suggested forImportant 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,