Guy Gray, a division of IPS, now offers 304 stainless steel washing machine and ice maker outlet boxes and faceplates that will not rust or corrode. The stainless steel boxes are available with one-quarter-turn ball valves, one-quarter-turn ball valves with hammer arresters installed and domestic valves. Also available is the stainless steel drain box, which comes without valves but with closed valve holes and open 2"