It comes with a ceramic cartridge and can be used in conjunction with an S-connector. The Brass (Copper and Zinc Alloy) construction makes it light weight, durable, and energy efficient With the operation of 90º turning handle, you can mix the water temperature. This shower mixer has a range of ceramic cartridge 40mm and it makes the water flow from 2 S-connector SG 1/2”. With a length of only 7.5cm and width of 9cm when installed in your bathroom it will blend with your decor perfectly.