20x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal 100% Australian Granulated carbon

100% Australian Granulated carbon

for your irrigation systems and tanks

• Maintains balanced metabolism for plants grown with C02 and HID lighting

Digital device for determining soil pH

3 piece set of 200

20x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal 100% Australian Granulated carbonNordic 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.