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Pound for pound
25% More Axillary Branching
The spectrums were developed in a private research laboratory to drive flower yield and elicit market desirable traits in short day resin producing crops
but also the most efficient lighting systems possible so that the crop can get to market at the lowest possible production cost
25x32x1 MERV 13 AC Furnace Filters 6 Pack Garden Hygiene and Safety Pound for poundNordic 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