The brass hose attachment adapter is easy to attach to your Underhill industrial hose or any 1 inch garden hose. Converts 1 inch Female Pipe Thread to 1 inch Male Hose Thread (NPSH). HOSE ADAPTER: Easy to attach to your Underhill industrial hose or any 1 inch garden hose. CONVERTS: The hose connector converts 1 inch Female Pipe Thread to 1 inch Male Hose Thread (NPSH). Shipping Dimensions: 2 x 2 x 2 inches. SOLID BRASS: Made from solid machined brass that’s ultra-durable. The hose adapter will not crack or break like plastic connections. HIGH FLOW: Metal garden hose adapter with a solid, leak-proof connection for high flow operation and low friction. PROFESSIONAL QUALITY: Commercial quality heavy-duty hose adapter. Underhill provides robust and reliable garden hose accessories designed for professional use. By Underhill