The HammerSTOP™ is a supply line that integrates two patented technologies to eliminate damaging water hammer in dishwashers, icemakers and washing machines. The HammerSTOP absorbs unexpected surges in water pressure and is rated with a working pressure of 125 PSI. HammerSTOP™ features a UltraCore™ supply line that is resistant to chemicals, leaves no taste or odor in the water and is lead- and BPA-free.
You can find more information on the DANCO website.