Force®8 P2 Pre-filter (F-2002) – pack of 200 pcs Cost-effective pre-filters for protection against particles with a low-profile angle for minimal vision impairment. P2 pre-filters help maximize the lifespan of gas filters by filtering particles, thereby reducing operating costs. Note: Suitable only for gas filters. The cartridges have an integrated maintenance-free disposable inhalation valve. Easy to attach to the respirator with a secure fit during application.