21x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack -monitors-&-timers • High-precision microprocessor control

• High-precision microprocessor control

Powder coated for durability

It works with all wattage MH and HPS lamps and is completely assembled and ready to use

—including enzymes that “trigger” your plants

The 5kg Bale from GROW

21x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack -monitors-&-timers • High-precision microprocessor controlNordic 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.