Supply Giant IBNU0012 Type Aa Straight Lead Free Water Arrestor with 1 2 Threaded Male NPT Connection Brass

This is an Supply Giant straight water hammer arrestor for residential applications. It is used is to eliminate water hammer, which is caused by water running through fast closing valves, from the piping system. Being frequent, water hammer can damage the seams and couplings, which might result in leaks. In particular, this is an 'AA' sized arrestor with a 1/2 inch threaded male npt connect. Furthermore, the design is lead free and is approved by NSF.