18x20x2 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 12 Pack Pumps & Irrigation the amino and organic acid

the amino and organic acid portion of the product is converted into slow-release nitrogen

Nordic Pure 12x25x2 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

A larger tumbler diameter ensures our trimmers trim more than any other machine on the market

Suitable for all growing styles

Pulling only 40 watts

18x20x2 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 12 Pack Pumps & Irrigation the amino and organic acidNordic Pure Pure Carbon Pleated Odor Reduction MERV 8 Air Filters is made with a durable non woven polyester base media infused with naturally derived charcoal, created to eliminate odors in your office or home. Our pleated design provides three times as much carbon media per A C filter but maintains excellent air flow. Our Pure Carbon air filters are manufactured using a heavy duty, moisture resistant beverage board frame. There is a metal mesh