21 1/2x24x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Promote The 80/20 mix allows you

The 80/20 mix allows you to feed less frequently than in straight Hydrocorn but more frequently than 60/40

These units have proven themselves throughout Europe

25" tubing and provides up to four separate channels of high volume air output which

These 1 oz bottles all have flip-top drip-tops for easy application

General Application Rate: 1-5 ml per gallon of water or nutrient solution

21 1/2x24x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Promote The 80/20 mix allows youNordic 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.