Multiple Fitting Sizes We offer our female hose adapter in variety of different sizes to better fit your garden hose or irrigation system including 1/2 and 3/4. Simply choose the right size above to get a precise fit.Wide Application - This is a PEX-B style fitting. Suitable for all PEX tubing variations. Designed exclusively for use with stainless steel cinch rings and copper crimp rings. Compatible with any PEX brand that adheres to North American standards (SDR-9) and complies with ASTM Standard F2159, ASTM F877, and CSA B137.5.Leak-Free Connection The precision design of our high-pressure hose adapter makes it the perfect swivel fitting adapter for gardening, washing cars, landscape irrigation, and other outdoor watering needs.Potable Use These swivel fitting adapters contain less than 0.25% lead and are allowed by federal law to be installed for potable water use in the U.S.A. and its territories.Rust-Resistant Lead Free Brass Construction Our water hose adapter offers low magnetic permeability, high temperature resistance, and heavy-duty resilience to stand up to water pressure and outdoor elements for long-lasting reusability.Novel Design - Patent Pending with the USPTO.Hose Adapter Ideal for garden hoses, irrigation lines, and other outdoor watering and gardening systems this brass garden hose adapter features a female end and a male end to create a more seamless connection.