17x22x1 MERV 10 Plus Carbon AC Furnace Filters 12 Pack nutrients-and-supplements 100% food safe aircraft grade

100% food safe aircraft grade aluminum

These jumbo plugs give you 32 "homes" for your seedlings and cuttings

The EnviroKlenz® Air System Plus is UL certified and safely and effectively combines advanced chemistry technology

you’re protected from head-to-toe

The Lid has alpha numeric symbols formed directly into the plastic

17x22x1 MERV 10 Plus Carbon AC Furnace Filters 12 Pack nutrients-and-supplements 100% food safe aircraft gradeNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.