For Tobacco Smoke, VOC (Volatile Organic Compounds), ammonia, Fornaldehyde, Carbon Monoxide, Ethylen Oxide and Ozone. Intended for Blueair Pro purifiers.
Features:
1 set V-shaped Blueair Pro Series SmokeStop Filters
HEPASilent technology
6 mos. life span
Requirements: Pro M (1set), Pro L (2 sets), Pro XL (3sets)