Recently acquired a second 3S mask. One by Auer, one by MSA. The Auer mask carries far less markings compared to the MSA, but Auer is mentioned on both masks. : r/gasmasks
Genuine MSA AUER brand Black MSA Full Face mask 3S Gas mask breathing apparatus | eBay
Full mask 3s basic plus - Full-face masks - Vandeputte Safety Experts
MSA 3S full face mask virus bacterial outbreak NBC CBRN application
3S Full-Face Helmet Mask in Supplied Air Respirators (SCBA) | MSA Safety | Netherlands
BASIC FACE MASK MSA 3S - G. Fox
3S Positive Pressure Full-Face Masks - OSE Directory
3S Full Face Masks
MSA 3S Full Face Mask | MSA Safety Shop
MSA Auer 3S | liivifriikki | Flickr
3S Full Face Masks
MSA 3S Full-Face Mask (Part number: 3S Basic Plus - D2055790) | Full Face Masks | Marine Safety Europe
MSA 3S Full Face Helmet Mask | Full Face Masks | Marine Safety Europe