Military A-14 dilutor demand/Pressure demand Regulator, fully refurbished and brought to day 0 in 2014, approximately 50 hour total on it.
Also have hoses with bailout quick-disconnects, CRU-60 adapter for bailout bottle, 1 emergency bailout bottle, and Air Force MBU-12/P Mask with microphone adapted with elastic straps. Asking $1000.

Just decided a second lennie isn't worth the risk...