Cleantechnics International, makers of an oil filtration system for extended oil and filter life, has announced the addition of two new members to its team. Herb Hammer is the new U.S. sales manager and Jon Hand joins the company as tech service manager.Hammer’s main responsibility will be the heavy duty truck market, developing CTI’s independent sales force and forging relationships with prospective dealers. Hand will oversee instillation support as well as CTI’s pilot programs. "We're pleased to have two such capable people joining our team," said Bruce Thomas, CEO of Cleantechnics. "With the expertise built on their years of experience, we feel confident that they will contribute greatly to the continued growth and development of CTI."