LEAKPROOF】：There are four seals to prevent water from leaking from the plunger side. 【ANTI-RUST】: Made of solid brass and the polished gold finish can well prevent rust even in water. 【EASY INSTALLATION】: You can split the item without any accessories, making installation easier. 【HIGH QUALITY SPRING】：The good spring ensures not to pass the plunger that cannot come out. 【EASY INSTALLATION】: All necessary accessories are included and the installation steps are simple.