15x20x2 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 12 Pack harvest-solution Includes pH electrode

Includes pH electrode

It can be used alone or with other existing soils to revitalize them

Light-Mix is the ideal substrate for organic farmers who wish to have control in the growth of their plants through the appli­cation of liquid fertilizers (from the very beginning)

Beneficial for all gardening and landscape applications

including all of the same features plus these additional sensors & hardware:

15x20x2 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 12 Pack harvest-solution Includes pH electrodeNordic Pure Pure Carbon Pleated Odor Reduction MERV 8 Air Filters is made with a durable non woven polyester base media infused with naturally derived charcoal, created to eliminate odors in your office or home. Our pleated design provides three times as much carbon media per A C filter but maintains excellent air flow. Our Pure Carbon air filters are manufactured using a heavy duty, moisture resistant beverage board frame. There is a metal mesh