Saw an Avelo tank on EBAY today... $1,299.00 (10.00 off with the coupon code.) I'm thinking you have to have two... at least in S. Florida
New Avelo Scuba Diving Tank Dive System Cylinder | eBay
New without packaging. Has a few scuffs from storage and handling. 2 available in similar condition. <br>
www.ebay.com
Some interesting photos of the cylinder. Would be nice to get the weight for comparison with normal kit.