16x25x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack Trimmers but many creative uses have

but many creative uses have been found for them

Insecticide

We know that Coco Coir is very popular because of its high cation exchange capacity (CEC)–or ability to store and exchange nutes for weed

unlike endo and ecto fungi which only works on specific species

16x25x5 (4 3/8) Honeywell/Lennox Replacement Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack Trimmers but many creative uses haveImportant 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,