8x20x1 Pleated Air Filters MERV 14 Plus Carbon 12 Pack grow-light-ballasts increases germination and plant metabolism

increases germination and plant metabolism – breaking down sugars and enhancing nutrient absorption

as well as making a very "clean" foliar spray that will not leave heavy buildup or residue on the plant tissue

Nordic Pure 24x24x4 MERV 14 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 is100% naturally derived and is OMRI Listed for use in organic production and farming

and 1000 ppm calibration solution

8x20x1 Pleated Air Filters MERV 14 Plus Carbon 12 Pack grow-light-ballasts increases germination and plant metabolismNordic Pure 8x20x1 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts 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