3M™ Scott™ Ska-Pak AT Supplied-Air Respirator

Combination Type C positive pressure respirator with escape cylinder for entry into and escape from hazardous, confined space, or immediately dangerous to life or health (IDLH) situations

Automatic, hands-free transfer from external air source to cylinder in the event of primary air source interruption

Personal, tactile and audible Vibralert alarm to alert users of transfer to cylinder air