https://brennaninc.com/product-category/single-ferrule-tube-fittings-brass/
Brass single ferrule tube fittings at Brennan Industries
Brass single ferrule tube fittings provide better resistance to high vibrations, fluctuations in temperature or pulsation than double ferrule tube fittings.
brass singleferruletube
https://brennaninc.com/product-category/single-ferrule-tube-fittings/
Single ferrule tube fittings at Brennan Industries
Single ferrule tube fittings are easier to assemble than the double ferrule tube fittings because there is one less component in the application process.
single ferruletubefittings