Pulmosan AL 170 Air Line Mask

The Pulmosan AL 170 Air Line Mask was made of light gray rubber with two large round eyepieces.  It had a button exhale valve on the left cheek, and a thin braided hose that was connected to a supplied air system.  Made by Pulmosan Safety Equipment Corp.

Similar masks in my collection:  Pulmosan 1750 Junior, LECCO No. 45

 

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