16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 14 Plus Carbon 1 Pack eligible-for-discount These 10-quart capacity black plastic

These 10-quart capacity black plastic planters are excellent containers for smaller plants

This revolutionary formula was designed to allow for maximum versatility throughout the grow cycle

5 - 500 ppm and 0

Most growers have their own requirements

hanging clips

16x20x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 14 Plus Carbon 1 Pack eligible-for-discount These 10-quart capacity black plasticImportant 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,