21x23x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Meters & Solutions Higher luminosity levels per square

Higher luminosity levels per square inch

Bloom B optimizes reproductive development by helping the plant take in and protect phosphorus sources

Isopropyl alcohol can be used to extract essential oil from plant material as well as makes an excellent cleaning agent for removing tough resins from equipment and surfaces

There is evidence that Rove Beetles will also provide some control for root aphids

The best buffered coco on the market with a very low EC and is RHP for Horticulture certified

21x23x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Meters & Solutions Higher luminosity levels per squareNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.