I HAVE FOUR TANKS UP FOR SALE 3 PURE ENERGY 70/4500 2 HAVE BRAND NEW MYTH REGULATORS THE 4TH TANK IS A EMPIRE CARLTON 56/4500 THE THREE PURE ENERGY TANKS HAVE HYDRO DATES OF 2008 AND THE EMPIRE HAS A 2007 HYDRO DAY. ALL FOUR OF THE TANKS WORK PERFECT AND HAVE NORMAL WEAR. I AM ASKING $125 SHIPPED FOR THE TWO PURE ENERGY WITH THE NEW MYTH REGULATORS $115 FOR THE ONE THAT HAS THE PURE ENERGY REGULATOR. I AM ASKING $110 FOR THE EMPIRE OR BEST OFFER ON ANY OF THEM. ALL PRICES INCLUDE SHIPPING