GreenFields was designed with greater water-holding capacity
Carbon Quantity x Carbon Quality = Filter Capacity
Designed to eliminate odors and chemicals for grow tents and hydroponics room
16'' long x 11
• Can be used up until the day of harvest
13x25x1 MERV 13 AC Furnace Filters 6 Pack misc GreenFields was designed with greaterNordic Pure MERV 13 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200