16x22_1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack tubing 5 ml – 2 ml

5 ml – 2 ml per gallon of nutrient solution

Program your desired photoperiod schedule

FIFRA 25(b) Exempt

and/or low-light conditions

water-soluble fertilizer for lush

16x22_1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack tubing 5 ml – 2 mlNordic Pure MERV 13 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200