ScubaPro MK16 first stage regulator (setup for DIN, but comes with a DIN to yoke converter) complete with an S550 and an R190 regulator. Unit also comes with a low pressure inflator hose with a heavy duty coupling. The regulator was well maintained and always serviced annually. Price is $215.00 or best offer. Equipment located in the Murrieta/San Diego area, but can be shipped anywhere in the USA by FedEx ground and/or USPS. Paypal only. Buyer pays for shipping costs.