20x25x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack Hydroponics Both sizes of Sluggo Plus

Both sizes of Sluggo Plus have a shaker top in order to make application easy

Use these predatory mites with other spider mite predators to combat & control high spider mite populations

Enclosed design reflector

cysts and pathogens in the product water

flat surface making them perfect for writing on

20x25x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 4 Pack Hydroponics Both sizes of Sluggo PlusImportant 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,