1.High Quality Ceramic Materials: This mixer cartridge is made of high quality ceramic material, with plastic. It can perform 100000 life cycle test. Compared with traditional cartridge, our ceramic mixer cartridge is not easy to rust and durable to use.^2.Environmental protection: Compared with the traditional faucet cartridge, the ceramic mixer cartridge can greatly avoid the problem of water leakage, which greatly save water, our mixer tap cartridge can help you make a small contribution. environmental protection.^3.Easy to install: The installation of the mixer cartridge is very simple. First, you need to measure the size of the old ceramic cartridge, to make sure that the new ceramic mixer cartridge matches the size of the old one. Then prepare the wrench, the screwdriver and the other corresponding tools, then remove the old ceramic disc, align the two convex points of the new shower mixer cartridge with the two concave points of the faucet.^4.Replaceable faucet cartridge: Most faucets will have faucet cartridge problem after long period of use, but some people are not able to replace the cartridge and directly buy a new faucet. So purchasing our 40mm internal faucet cartridge can save you from having to buy expensive faucets and save money.^5.Widely Used: Our shower mixer cartridge is suitable for most household faucets, such as bathtub faucet, kitchen faucet, bathroom faucet, shower faucet and main faucet of shower set , water dispenser, water purifier etc.^