I have two sets of HP 3L tanks for sale, all in hydro/vis the tanks with the labels on them were just hydrode 10/17 dil born on 3/09 and o2 6/09, the tanks with no labels dil hydro 5/16 born on 6/9 o2 hydro 7/14 and born on 9/8. Price is 350 per set email me dnjksn@gmail.com