11 3/8x11 3/8x1 Exact MERV 12 Plus Carbon AC Furnace Air Filters 12 Pack grow-systems-trays-reservoirs Our two-stage safety pilot valve

Our two-stage safety pilot valve does not allow fuel to flow to the burner unless the pilot is lit

Compatible with various grow systems (ebb & flow

• Stainless steel braided PTFE hoses

while their prey are more stationary as they feed on plant tissue

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

11 3/8x11 3/8x1 Exact MERV 12 Plus Carbon AC Furnace Air Filters 12 Pack grow-systems-trays-reservoirs Our two-stage safety pilot valveNordic 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.