This Balanced regulator is stainless steel and Brass.   One of the main reasons for buying this regulator is performance and construction   The IP. is 140, It has two high pressure ports and four on a swivel,  Can be used with Nitrox up to 40%   ..  ( , see attached pictures...  ....This is a balanced first stage.. .   All new 0-rings, static and dynamic     Comes with three port plugs and dust cap. and new seat,   with recreational  use , not much to ware out.     

Returns accepted, only if it does not meet my selling description