Check the listing for details. Sportsways 2nd stage / Dacor 1st stage ,Read all details , Excellent condition.. Condition: Used. Listed at 59.00 USD. . This regulator compares favorably with any late model down stream type. This is a excellent breathing regulator . new 0 rings and new seat This has an adjustable Brass orifice like any high end Scubapro, Atomic or Sherwood, All Brass adjustable orifice, Very nice standard hose with new 0-rings This has a nice new mouthpiece, great for any type of general diving. more than likely breathes better than the one you are using now, This regulator Has been up-dated, all Brass interior. New 0-rings in hose The first stage is diaphragm type and is environmentally sealed. all ports std. 3/8. all chrome flawless, comes with two port plugs. a great back up or pool work Returns accepted only if it does not meet my selling description