121-6102, Festo, Festo QSL Series Elbow Tube-toTube Adaptor, Push In 12 mm to Push In 12 mm, Tube-to-Tube Connection Style, 153060 Festo QSL Series Elbow Tube-toTube Adaptor, Push In 12 mm to Push In 12 mm, Tube-to-Tube Connection Style, 153060