Cyl-Tec New Stock 80CF Scuba Diving Tank - (3000 psi) Aluminum Diving Cylinder with Combo ValveThe Cyl-Tec 80CF Scuba Diving tank is perfect for both beginner and experienced divers.Features of Cyl-Tec New Stock 80CF Scuba Diving Tank - (3000 psi) Aluminum Diving Cylinder with Combo Valve This tank ships ready to fill (empty) and is DOT/TC certifie..