The 3M(TM) Versaflo(TM) S-657 Hood Assembly consists of a S-950 Premium Head Suspension and a S-607 Hood. It is approved for use with certain 3M(TM) Powered Air Purifying and Supplied Air Respirator Systems. Case of 1. Hood Assembly with Inner Shroud and Premium Head Suspension.
The S-657 hood assembly features are similar to the S-655. The S-657 uses a double shroud design for its respiratory seal; wearers can select their preferred seal design. The S-657 is worn by tucking the inner shroud into a shirt or protective coverall, allowing excess air to be channeled over the body. Compatible with BT-20S, BT20L, BT-30 or BT-40 breathing tubes.
3M ID: 70-0715-3328-8