20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 12 Air Filters 2 Pack Nutriants • Preserve flavor & nutritional

• Preserve flavor & nutritional value

NOP compliant insecticide at any point throughout your growing season and up to the day of harvest

Flush – 1 oz

For use in hydroponic

Commonly controlled insects include whiteflies

20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 12 Air Filters 2 Pack Nutriants • Preserve flavor & nutritionalImportant 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,