Grohe Grohtherm 1/2 Inch Cosmopolitan Thermostatic Shower Mixer SetProduct Description With shower set Grohtherm 3000 Cosmopolitan Thermostat shower mixer (34 274 000) Rainshower Cosmopolitan shower set (28 757 000) Spare Parts Pos. nr. Prod. description Order nr. * Optional accessories 1 Handle 47803000 2 Ceramic headpart, 1 2" 45346000 2. 1 O Ring 18,2 x 1,7 0392400M 3 retaining ring 47743000 4 Thermostatic compact cartridge 1 2" 47439000 5 Non return valve 47189000 5. 1 Filter 0726400M 5. 2 Non return valve