18x24x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter 1 Pack Aeromixer Synthetic Pro Edition *A control unit and reservoir

*A control unit and reservoir (sold separately) are required to use this expansion pack

a significant drop in pressure indicates the filter media is nearing capacity

Includes premium compost

Pyur Scientific Vacuum Ovens are designed for agricultural extraction purposes and built with unsurpassed quality

18x24x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filter 1 Pack Aeromixer Synthetic Pro Edition *A control unit and reservoirNordic 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