This is a perfect regulator, shows no use,    all brass and stainless steel, no plastic inside  lubed with all new 0-rings, static and dynamic  The IP, is 138    Two HP. ports and five low on a swivel, comes with three port plugs, comes as you see.it  Environmentally sealed to help reduce contaminants . comes with a Scubapro pamphlet  showing the proper way to do it, looks brand new inside  This regulator will compete performance wise with most any first stage on the market