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 stainless, corrosion-resistant and aging-resistant, and can be used for a long time.<br> <br> Product advantages: the two ends of the connector are different, with threaded connection 1/2" on one side and a 1/4" quick connect head on the other, providing a good fit for DIY installations.<br> <br> Fine Workmanship: This adapter is carefully worked, the surface is smooth and free of burrs. Each part of the inlet fitting is firmly connected and cannot easily come off or break. It has clear built-in threads and retaining rings, so installation can be done faster and easier.<br> <br> Many uses: Water filter fitting can be used to connect hoses water inlet of many different machines, such as such as water purifiers, refrigerators, water dispensers, coffee makers, etc.<br> <br> Instructions for use: Please make sure the tube is cut flat and inserted between 15 and 18mm deep into the interface and the tube interface has a tolerance of 5%.