Function to split a single low pressure supply line to serve two devices such as drysuit, second stage regulator, and inflator hoses Single male side connecting to existing hose; the double females is standard port size Easily connecting two low pressure hoses to a single second stage port, expanding your regulator setups Make of Stainless Steel, high tensile strength and resistance Designs with standard 9 / 16-18 thread, this splitter seamlessly integrates with most second stage and inflator hoses, providing a secure and leakproof connection