13x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack grow-system/-trays/-reservoirs If you're not using Z7

If you're not using Z7 you haven't seen your plant’s real potential

*SIZE: 43x30x10

5oz (70g) layer

Net Weight: 8

this chain can be used to support your reflectors

13x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack grow-system/-trays/-reservoirs If you're not using Z7Nordic 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.