3M 5000 Series Particulate PreFilters: 
- Use with Snap on 3M 501 filter retainer to clamp with the 6000 series filters in order to provide particulate + Gas & Vapour protection  ( see related products)
- Extremely lightweight
EN143/CE Marked3
- 5911: P1R
- 5925: P2R
- 5935: P3R
3M 603: Platform: used to connect 5000 series filters only to face mask, also need 501 retainer ( see related products)               
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