16x21x1 MERV 12 Plus Carbon AC Furnace Filters 12 Pack pumps-&-irrigation The Master A&B series stands

The Master A&B series stands apart from your standard base nutrient line by making macro and micro nutrients more available to your plant

with heavy Magnesium and Sulfur

Trellis Netting can handle more weight while remaining taught and providing excellent support

more vibrant flowers and higher-yielding fruits

Power consumption - < 4

16x21x1 MERV 12 Plus Carbon AC Furnace Filters 12 Pack pumps-&-irrigation The Master A&B series standsNordic 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.