13 15/16 x 29 15/16 x 3/4 (13.94 x 29.94 x 0.75) Pure Green Eco-Friendly AC Furnace Air Filters 3 Pack Ventilation/Air Conditioning magnesium & manganese

magnesium & manganese

EASY TO USE: To raise your PPM's follow the directions and hang 1 GRAND DADDY PAD above your canopy per every 800 cubic feet of garden space

PPF - 1176 μmol/s

On-screen tutorial messages for calibration and set-up HOLD

specially for vertical rack grow system

13 15/16 x 29 15/16 x 3/4 (13.94 x 29.94 x 0.75) Pure Green Eco-Friendly AC Furnace Air Filters 3 Pack Ventilation/Air Conditioning magnesium & manganesePure Green Eco Friendly AC Furnace Air Filters by Nordic Pure are made from an environmentally responsible non woven, high loft, antimicrobial filter media. The MERV 6 rating has a lower pressure drop, minimizing energy consumption while maintaining a high dust holding capacity. As we continue to keep our eyes on media technology advances, our Pure Green media will be changing its appearance. Please expect the same quality and performance you have