18x20x2 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 12 Pack dis Proper pH is vital for

Proper pH is vital for healthy plant life

Stop use two weeks prior to harvest

Ergonomic grip designed for vineyard and nursery workers with smaller hands

Operating Environment 20-80°C/-4°-176°F

Balanced nutrients for young plants and initial hydroponic production

18x20x2 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 12 Pack dis Proper pH is vital forNordic 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