Check the listing for details. SimMan and AirMan Regulator Unit. Condition: Used. Listed at 49.99 USD. You are looking at a SimMan and AirMan Regulator UnitThis item is used and in great physical condition with some normal wear. Untested because I do not have the necessary equipment to fully test this. What you see is what you get. Item sold AS IS with NO Refunds. Item is in Hand and Ready to ship. May even ship the same day. Free Fast Shipping. Comes from a pet free and smoke free home. Please ask all questions prior to bidding, I will answer them as quickly as possible. I Accept PayPal Only PAYMENT MUST be received with in 2 days of Winning the Auction. If payment is not received then an Unpaid Item Report will be opened and Auction will be re-listedFree Shipping, which includes tracking. Item usually ships within 24 hours after cleared payment is received. I will ship to the address provided to me through PayPal.I will ship to the USA Only. Feedback: Your feedback is greatly appreciated. Thank you for your time