Grohe Costa L 1/2 Inch Basin MixerProduct Description Metal handles Heat insulated Screwable Longlife headpart Cast spout with mousseur Pop up waste set 1 1 4" Flexible connection hoses GROHE StarLight chrome finish Spare Parts Pos. nr. Prod. description Order nr. * Optional accessories 1 Handle Costa L 45994000 1. 1 Snap insert 0538600M 2 Headpart 1 2" 07146000 2. 1 O Ring 6 x 2 0128300M 2. 2 O Ring 18,2 x 1,7 0392400M 2. 3 Sealing washer 0529100M 3 Flow restrictor 6 l min 13929000 4