11 3/8x11 3/8x1 Exact MERV 12 Plus Carbon AC Furnace Air Filters 12 Pack grow-systems-trays-reservoirs and because the SAM 400®

and because the SAM 400® kills ALL pathogens smaller than the HEPA 0

• Stainless steel braided PTFE hoses

and vegetable seedlings and are compatible with various square-shaped available media plugs DRAIN HOLES – Cells have drainage holes

Compatible with various grow systems (ebb & flow

Explore more effective natural repellents and pest solutions in our All Weed & Pest Control collection

11 3/8x11 3/8x1 Exact MERV 12 Plus Carbon AC Furnace Air Filters 12 Pack grow-systems-trays-reservoirs and because the SAM 400®Nordic 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.