20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters 2 Pack Commercial Lighting Fulvex increases the availability of

Fulvex increases the availability of nutrients and enhances mineral diffusion into root cells without the use of harsh chemicals

Use warm water between 75 and 98 degrees Fahrenheit for optimum results

Rated for both heated and cooled air and perfect for outdoor AND indoor use

2 of every 8 oz RAW soluble product

swirskii along with pollen available on the plants

20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 8 Air Filters 2 Pack Commercial Lighting Fulvex increases the availability ofImportant 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,