One set of double HP 120 cu. ft, rated to 3500 psi, originally manufacture date is 2005 and they have current vis, as well as O2 clean. Asking $800 obo, includes boots, manifold, and bands. Can fill with what ever nitrox mix buyer would like if picking up or will be up in cave country on the Feb 10th. (Note: name is on the top of the tanks but can be removed with some elbow grease). If paying with paypal there is a 3% fee.