15x20x2 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 12 Pack harvest-solution Silica™ is a beneficial supplement

Silica™ is a beneficial supplement to be used in conjunction with Success Nutrients plant and food supplements

Made from USDA and FDA-certified materials

Made under quality control at Grodan factories

Quickly move lights up and out of the way for harvesting and room cleaning

pollen and pests from entering your grow room

15x20x2 Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 12 Pack harvest-solution Silica™ is a beneficial supplementNordic 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