20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 13 Plus Carbon 4 Pack spl_hrg 2/4/6°F temperature deadband option

2/4/6°F  temperature deadband option

Replacement Tumbler Barrel Bubble Magic 500 gram - 125 micron

5 μmol/joule

Directions: Add small amounts (0

ECOWORKS EC can be applied by mixing 2-8 ml per gallon water and applied at one pint (16 oz) of product mixed solution per gallon every 7-14 days for controlling soil-borne pests

20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 13 Plus Carbon 4 Pack spl_hrg 2/4/6°F temperature deadband optionImportant 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,