The 3M(TM) Hood Assembly S-857 consists of a S-950 Premium Head Suspension and a S-807 Hood. It is approved for use with certain 3M(TM) Powered Air Purifying and Supplied Air Respirator Systems. Compatible with BT-20S, BT20L, BT-30 or BT-40 breathing tubes.
UPC: 0-00-51131-17098-8
3M ID: 70-0715-3334-6