The new Zero-G Tanks weigh in at 20% less than previous cylinders coming in at just 2.1 pounds, 33.5 ounces or 960 grams. The Zero-G Tanks still feature our standard high output rebuild-able regulator that has proven itself over the past years with great shot to shot consistency, low maintenance, and great flow rate. Features: New Valken ZERO-G lightweight design 68 cu carbon fiber cylinder. Cylinder proudly Made in the USA. Durable gel coat finish. DOT and TC compliant. 5 year hydro test and 15 year life cylinder. 850psi output pressure high flow regulator. Dual burst disks-HP and LP for maximum safety. Hardened aluminum, modular bonnet design. Chrome micro gauge and fill nipple. Manufactured by Valken.