Scott's Ska-Pak(R) AT is a supplied-air respirator featuring an automatic, hands-free air transfer capability. If the continuous air supply is interrupted, the air source is instantly switched to the portable air cylinder automatically. Ideal for use in confined space or IDLH environments, the unit's Vibralert(R) alarm system lets wearers know that the transfer has been made. Scott Health & Safety, Monroe, NC.

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