1/8 X 1/8 Push-In X Male Iron Pipe Run TeeThe 1 8 X 1 8 Push In X Male Iron Pipe Run Tee is a quick connect disconnect fitting designed to create a "T" branch connection in a plumbing, air, or fluid system. Full flown design, quick and easy to install, leak proof, and O ring sealed. The "Run Tee" configuration enables the fitting to split or divert flow from a single pipe into two separate outlets, or combine multiple flows into one. Made from brass for durability and resistance to corrosion.