16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 14 Plus Carbon 1 Pack food-&-water-storage Directions for use: Use with

Directions for use: Use with every other watering during the Flowering phase

Fully portable handheld light meter

for a total production speed of up to 78 lbs/hr

Treats up to 2

It prevents soil compaction and promotes strong root development

16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 14 Plus Carbon 1 Pack food-&-water-storage Directions for use: Use withImportant 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,