12x20x1 Pure Green Plus Carbon Eco-Friendly AC Furnace Air Filters 24 Pack Misc Use with undiluted Bluelab pH

Use with undiluted Bluelab pH Up or Down

This results in up to 40% greater trichome preservation during the trimming process

yard or where fleas are present

●【Increase Yield&Crop Quality in LED Grow】newtest SMD LED technology to provide the highest PAR/LUMEN output(877umol@18")

| Red = 420

12x20x1 Pure Green Plus Carbon Eco-Friendly AC Furnace Air Filters 24 Pack Misc Use with undiluted Bluelab pHPure Green Plus Carbon Eco Friendly AC Furnace Air Filters by Nordic Pure starts with an environmentally responsible non woven, high loft, antimicrobial filter media made of fine gauge polyester. 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 come to rely on from our Pure Green media which will now be white in color on the