Membrany do stetoskopów Riester:
11042 - 45 mm cardiophon, duplex de luxe, anestophon, tristar;
11050 - 34 mm cardiophon, duplex de luxe;
11052 - 34 mm duplex de luxe baby, tristar;
13236 - 44 mm cardiophon 2.0, duplex 2.0;
13237 - 32 mm cardiophon 2.0, duplex 2.0 baby;
11051 - 26 mm duplex de luxe neonatal, tristar;
13238 - 24 mm duplex 2.0 neonatal;
11048 - 27.5 mm ri-rap;
11049 - 40.5 mm ri-rap.