Material: The fitting is made of high-quality POM material, which is safe, non-toxic, healthy, and environmentally friendly. It is used as a standard fitting for water filtration systems to ensure a reliable and leak-free connection. Easy Installation: These quick connectors use push-in technology and can be used without tools. They can be easily disassembled without damaging the pipes or fittings. This is the ideal choice for you. No Tools Required: These water purifier fittings are suitable for connecting 1/4" pipes to 1/2" pipes, with clear threads and a strong bite, so you don't need a wrench to make threaded or flanged connections to hold both ends of the water pipe tightly. It can be installed completely manually and will easily help you solve the water distribution problems of your water purifier. Application: These fittings are suitable for all water purifier filters and reverse osmosis systems. They are pressure-resistant and reusable. Package Includes: 1x Qrity 1/4" Water Filter Quick Connector to 1/2" Male Thread, 1x Qrity 1/4" Water Filter Quick Connector to 1/2" Female Thread