1/2 UK brass spline tap spindle brass valve cartridge 1.Size:1 ... disc,Rubber O-ring 3.Life span:50000 1/2 UK brass spline tap spindle brass valve cartridgefast open ... , uk , 60g, ceramic disc, brass fitting, brass valve core, faucet brass ... strong technical force and a sophisticated marketing system. 1/2 UK brass spline tap spindle brass valve cartridge