The Male Will Only Connect To A Female 1 1/2 inch NPSM or NPSH (not NPT)Maximum Pressure - 50 psi for open ended discharge applications onlyTube - Blue Lay Flat PVCApproximate wall thickness - 0.055"Weight per foot - 0.17 poundsType of use - WaterWorking temperature - 150 degrees F to 14 degrees FNPSH ThreadsHoses with National Pipe Straight Hose Thread (NPSH or NPS) has the same threads per inch (TPI) as National Pipe Thread (NPT) but the threads do not taper. This allows a female coupling to thread onto a NPT fitting without being a permanent connection. For example, a female hose coupling with NPSH threads will only connect to a PVC pipe, metal pipe or couplings with NPSH or NPT threads. Fittings that are connected together by NPT by NPT require a sealing agent like pipe cement or teflon tape because the threads are making the seal and a permanent connection. When a female NPSH is threaded onto a male NPT fitting, it allows this connection to thread on and off frequently by using a gasket to seal.The male side with NPSH threads will only connect to fittings, nozzles or hoses with NPSH threads. It will NOT thread into a NPT female. For example, a male hose coupling with NPSH threads will require a nozzle with NPSH threads.We are a firefighter owned and operated company since 2011.WARNING: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Do not use in connection with drinking water. Wash hands after handling.