DEWALT D55041 Quadraport 4 Port Line Splitter with 3/8-Inch Couplers Factory tested to assure leak-free operation 4 Universal push-to-connect couplers for ease of operation Liquid-filled gauge for durability and more accurate reading closer to job site High-flow regulator for increased performance Quadraport can operate at two different PSI settings at the same time for a wider variety of applications