20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 12 Air Filters 4 Pack leds tiny predatory mite that feeds

tiny predatory mite that feeds on a variety of prey and is useful in prevention

a par-boiled rice hull amendment

The next advancement in carbon air filtration is here

Horti rawK ensures you get the maximum weight out of your flowers when it comes time to harvest

molasses-kelp based liquid nutrient that aids plant growth and production

20x20x5 (4 3/8) Honeywell/Lennox Replacement MERV 12 Air Filters 4 Pack leds tiny predatory mite that feedsImportant 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,