www.phcppros.com/articles/6393-john-guest-usa-prolock-flexi-hoses

John Guest USA ProLock Flexi Hoses
November 10, 2017
The new ProLock Flexi Hoses are available in ¾ inch CTS x ¾ inch NPSM x 18 inches L, ½ inch CTS x ¾ inch NPSM x 18 inches L, and ¾ inch CTS x ¾ inch CTS x 18 inches L.
Ideal for water heater installations, the corrosion resistant hoses are double crimped for reliability. Fast and easy to install, they can be used with Copper, PEX, and CPVC pipe, and are suitable for both commercial and residential applications.
The hoses are also lead-free and carry a 25 year warranty against defect in materials or manufacturing.
John Guest USA