Meret's Zvalve oxygen cylinders is 100% leak tested to full service pressure.

Features:

• All cylinders come standard with a "Z" valve (a hand-tight valve), Toggle valve, or standard Post valve
• Lightweight aluminum construction
• D cylinder - 425 liters capacity; 20H x 14circumference
• JD cylinder - 623 liters capacity; 20H x 16.5circumference
• E cylinder - 660 liters capacity; 28H x 14circumference

Note: This product(s) is classified as a Medical Device and requires a physician's authorization for purchase. All orders of this product(s) will be placed on hold pending verification of authorization for the purchase of this product(s). You may download a Medical Device authorization form here. Once completed the form can be sent to our headquarters via fax at (888)335-9800 or mailed to Witmer Public Safety Group, Inc. 104 Independence Way Coatesville, Pa. 19320 Attn: EMS Medical Devices.