Kochek 6 inch female red dry hydrant adapter with aluminum NH/NST plug. Comes attached to a PVC slip-socket adapter for glue-on connection to 90 degree 6" schedule 40 PVC pipe. Material is light-weight 6061-T6 aluminum alloy. All parts meet or exceed NFPA requirements. Our dry hydrant adapters meet all firefighting requirements as well as those for rural dry hydrant systems. Plug has 6 inch NH / NST threads and adapter has 6" NPSH threads. Female NPSH threads will screw onto a 6 inch male NPT or 6 inch PVC male threads. Made in the USA.