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.