Amazon.com: Front Oxygen Sensor for 2012-2017 Harley Davidson V-Rod FLD Switchback Fat Boy Street Bob Dyna Wide Glide 932-14065 32700005 : Automotive
Rear Oxygen Sensor For Harley-davidson Dyna Sportster Softail V-rod Fat Bob Low Rider Street Super Switchback 32700006 - Exhaust Gas Cleaning & Recirculation - AliExpress
In background of Fight Club you can briefly see Meat Loaf with crew & an oxygen mask, which he genuinely needed between active scenes : r/MovieDetails
Factorio Prints: [Bob Angels] Oxygen, Hydrogen out of pumps v.1.0