The file '40mm GOST Fresh Air Breathing Adapter 3D Printer Model' is (stl) file type, size is 309.1KB.
Adapter to Warsaw Pact gas masks, which allows you to breathe fresh air while still keeping your hose attached to the filter. Useful for reenactment, LARP-ing or photo sessions.
It's barely visible even if you have your bag open and you don't have to worry about asbestos or other stuff that might be inside 40-50yo filter.
40mm_GOST_Fresh_Air_Breathing_Adapter.stl | 691.0KB |