TOOLSTAR Tap Cartridge, 1PC 40MM Ceramic Disc Cartridge Valve for Tap Replacement Cartridges of Single Lever Tap, Monobloc Bathroom or Kitchen Mixer Taps (Type B-40MM) – BigaMart
Amazon.co.uk: grohe black kitchen tap | Black kitchen taps, Black kitchens, Kitchen taps
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Cartouche Mitigeur Grohe Tête à disques en céramique 1/2" 45342000, 20,70 €