20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 15 Plus Carbon 4 Pack soil nutruient Designed to cut asparagus spears

Designed to cut asparagus spears 1 to 2 inches below the soil level during harvest

When introduced into any living system

removes lint

increasing the consistency and efficiency of your

safe to apply on food crops up to one day before harvest

20x20x5 (4 3/8) Honeywell/Lennox Replacement Furnace Filters MERV 15 Plus Carbon 4 Pack soil nutruient Designed to cut asparagus spearsImportant 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,