3M S-857 Hood Assembly with Sealed Seams Inner Shroud and Premium Head Suspension
The 3M Hood Assembly S 857 consists of an S 950 Premium Head Suspension and an S 807 Hood. It is approved for use with certain 3M Powered Air Purifying and Supplied Air Respirator Systems.
- Sealed seems to help protect when certain liquid hazards may be present
- Multi-later barrier film used
- Double shroud design
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