3M™ Full Facepiece RAS-931-L (Formerly RAS Vision Large) is a small sized, multi-function facepiece designed to provide durable and comfortable protection when used as part of RAS-ASB supplied air system.
For a durable, comfortable facepiece use RAS-931-L (Formerly RAS Vision Large) as part of RAS-ASB supplied air system. This facepiece provides comfort and ease of use with a safeguarded speech diaphragm aids in communication. Its hard-coated polycarbonate visor helps to provide eye and face protection and scratch resistance during use. A matte finish TPE inner mask helps prevent glare on the inside of the visor.
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