AirDog ® fuel air separation systems, with the efforts of PureFlow AirDog ®, have become the most sought after, after-market fuel system for diesel pick-ups, on the market today. Under the management and direction of DieselRx ® and Shares, Inc., PureFlow AirDog’s production and order fulfillment program is housed in DieselRx ®‘s ISO Certified, 70,000 square foot facility in Shelbyville, Indiana. Together, these innovative product lines have expanded the capabilities of the company and will offer our customers a wide range of quality diesel products.