16x24x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 1 Pack Water Heaters Chillers Balanced high-nitrate to ammoniacal nitrogen

Balanced high-nitrate to ammoniacal nitrogen ratio to prevent excessive stem elongation

the greenhouse can simply be moved out of the way and put back when finished

Kills Weeds to the Root – Contact-action formula penetrates down to the root

letting you start all over again—with the same tray

• Customize bag sizes

16x24x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 1 Pack Water Heaters Chillers Balanced high-nitrate to ammoniacal nitrogenNordic Pure 16x24x4 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material while