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Pursuant to CA SB 478, if you are located in California, Airgas cannot display your product pricing until all items have been added to your shopping cart so that we can calculate all applicable fees, including, but not limited to, shipping and handling fees.
MSA Duo-Twin™ Large Black Facepiece Assembly with speaking diaphragm is made of hycar rubber to provide a custom fit while adding stability. It meets all NIOSH standards.
Features
This Type C, supplied-air respirator supplies a continuous flow of air to the face piece from an external source
The complete assembly is available with the Advantage® 4000 face piece, plus breathing tube, web support belt and air flow control valve
