20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 14 Plus Carbon 1 Pack Water Heaters Chillers 6 foot power cord

6 foot power cord

500 m3/h (40900 cfm) at 0 Pascal (0” WC) and 62

Amperometric EC/TDS sensor

32-cell Styrofoam plant starter basin

Morgan showed that the program of using Clonex Mist

20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 14 Plus Carbon 1 Pack Water Heaters Chillers 6 foot power cordImportant 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,