No. 171 16 PNZ
Option:screw ring on the bell flarebrass slidenickel silver slideexchangeable brass and silver lead pipe
“open flow“-valve: This valve with light rotor has a larger diameter. By the optimised bore a full open aerial passage arises.
Branimir Slokar: “Because of this new valve, playing is more comfortable and clear, but also more compact in tone at the same time.”