When ordering multiple tanks, please create separate orders for each tank or call us at 858.581.2800 to order, to ensure accurate shipping rates The 149cf, 19L Faber FX Tank is an excellent high pressure steel tank. F-x Series is a DOT E-13488 specification, no overfilling is allowed. F-x Series is Transport Canada (TC) Approved. All F-X Series cylinders are oxygen cleaned and suitable for Nitrox use. Inlet Thread 3/4 - 14 NPSM. Self draining boot and DIN/Yoke valve included. Color: Faber Silver, corrosion resistant finish for durability. Specifications: Height 29.53"(w/o valve), Diameter 8.02", Weight 46.9lbs (w/o valve) This is a very high quality tank that can last a lifetime!