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5 fl oz/gallon of water (12-15 ml/gallon)
Cultiwools’ growing blocks are unique in the most efficient way
Excellent efficiency at higher mounting heights
Two separate set points can be adjusted from 4 to 7 pH and 900 to 1800 ppm (mg/L)
Floating raft system with air stone
12x26_1/2x1 Exact MERV 8 AC Furnace Filters 6 Pack double-ended 5 fl oz/gallon of waterNordic Pure MERV 8 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 and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters
