This 15 piece package of fittings is equivalent to the SS-300-1-4 model from Swagelok. It is designed for use with 3/16 inch OD tubing and features compression connection. These High Purity Fittings are perfect for use in a variety of industries, including hydraulics, pneumatics, pumps, and plumbing. The fittings are made with high-quality materials and have been rigorously tested to ensure optimal performance. Each fitting has a 1/4 inch male NPT connection, making it easy to install and use. Purchase this package today for a reliable and efficient solution to your fitting needs.