This product is made of premium stainless steel material, firm and reliable, with fine durability and can provide long service time. It can be used for flushing and cleaning water pipes, providing fine cleaning effect and cleaning up blocked sewers. Wide applications, suitable for removing blockages and stubborn dirt, and flushing loose debris and provide fine cleaning effect. Four types optional, you can choose according to your demands easily. Features: Made of premium stainless steel material, firm and reliable, with fine durability and can provide long service time. It can be used for flushing and cleaning water pipes, providing fine cleaning effect and cleaning up blocked sewers. High pressure resistant and high temperature resistant, wear resistance and practical to use. Wide applications, suitable for removing blockages and stubborn dirt, and flushing loose debris and provide fine cleaning effect. Four types optional, you can choose according to your demands easily.