Solid ceramic material, wear-resistant and durable. 【Easy Installation】: With the tool, it can do the job perfectly, easy to install and use. 【Widely Used】: Ceramic disc cartridges are suitable for most faucets, both cold and hot water, and are ideal for kitchen, bathroom, toilet, laundry room, etc. 【Feature】: Rubber O-rings at the bottom, with thread; and no more dripping faucets and it can be used for a long time.