Superior full port potable water connectors for water heaters and water treatment. Connectors are more bendable and flexible than copper. They will not discolor, corrode, rust, crimp or kink.Extremely flexibleLifetime warrantyFlows approximately 135% more than braided typePerfect for water heaters, both tankless and storage typeKink and crimp freeChrome plated brass nutsBright annealedWill not corrode or rustNo Dielectric union requiredResists work hardeningWorking pressure 200 psiBurst pressure approximately 1850 psiNo sweat installationBright annealed