Spare Air Scuba Tank Refill Adapter, Model 910S LATEST MODEL, not last years stock! NEW UNOPENED FROM FACTORY You have a full factory Warranty with TheScubaDiverStore LOWEST PRICE ALLOWED BY AN AUTHORIZED DEALER, if you pay less YOU WILL HAVE NO WARRANTY from a non-authorized dealer/seller !! Thank you for shopping with us!! If you dont see it, email or call us and well give you a price you cant believe !! We are a current Authorized Dealer of this Brand.