Premium Material: The universal water supply hose is made of food-grade POM material. It is environmentally friendly and has no peculiar smell, safe and non-toxic. Compared with metal connectors, it is rust-proof, corrosion-resistant, and aging-resistant, and can be used for a long time. Product Advantages: The two ends of the connector are different, with a 1/2" threaded connection on one side and a 1/4" quick connect head on the other, which provides a good fit for DIY installations. Fine Workmanship: This adapter is carefully crafted, the surface is smooth and free of burrs. Each part of the inlet fitting is firmly connected and cannot easily loosen or break. It has clear built-in threads and retaining rings, so installation can be done faster and easier. Widely Uses: The water filter connector can be used to connect the water inlet pipes of many different machines, such as water purifiers, refrigerators, water dispensers, coffee makers, etc.