16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 1 Pack spl_magfan Use it to measure on

Use it to measure on flooring

The addition of these microbes to any growing medium boosts beneficial microbial life in the root zone and encourages root growth

The Magnum 18's inverter technology ensures lower operation costs

For transplants: place granules in the planting hole or furrow so they make direct contact with the roots

Power Factor: 240VAC Full Load 0

16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 12 Pleated Plus Carbon 1 Pack spl_magfan Use it to measure onImportant 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,