3/8 X 1/8 Push-In X Male Iron Pipe Run TeeThe 3 8 X 1 8 Push In X Male Iron Pipe Run Tee is a plumbing fitting designed to connect a 3 8 inch tube to a 1 8 inch threaded pipe in a T shaped configuration. Leak proof, easy to connect and disconnect, and secure tube retention. This fitting is commonly used for efficient flow management like pneumatic systems, water lines, and fluid control systems. Typically made from first rate brass for long lasting durability and corrosion resistance.