This is the Gas and Odor filter for the HealthPro 250 air purifier. The V5-Cell (F2) uses granular activated carbon and a chemical sorbent to trap volatile organic compounds and other harmful chemicals. Media consists of bitumous coal and potassium permanganate chemisorbant (5 lbs.) Average filter life is 2 years (based on average daily usage of 10hr/day on speed 3).
