MaxLine 1/2" Piping Tee with 1/2" Female NPT Pipe Thread New RapidAir brand MaxLine piping system 1/2" tee with 1/2" female NPT pipe thread for the center / middle inlet of the tee. Part no. M8019. This tee is used only with MaxLine 1/2" pipe / tubing. It allows you to splice the tubing and have a standard 1/2" female NPT pipe thread inlet anywhere in your system! This works great for adding hose reels into your MaxLine system without needing an outlet block, or for adapting existing airline with standard pipe fitting to your MaxLine system. Specifications: Part No. M8019 1/2" x 1/2" female drop tee Solid brass Nickel plating for corrosion resistance