20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters 2 Pack Plant Care/Pest & Disease Control Produces more PAR per watt

Produces more PAR per watt than standard Metal Halide

stems and roots and cannot be diluted or washed away by the elements as is the case with foliar sprays

Length: 25'

shrubs and turf

20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters 2 Pack Plant Care/Pest & Disease Control Produces more PAR per wattImportant 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,