The D55040 has 4 universal push-to-connect couplers for easy operation. This quadraport can operate at two different psi settings at the same time, for a wider variety of applications. The DeWalt® D55040 air line splitter can support 4 framers, roofers, trim, flooring or automotive users at one time. This will allow a crew to use two different psi settings off one compressor. DeWALT® Air Line Splitter, Heavy Duty Quadraport, 1/4 in, 150 psi, Plastic