Home | Griffin Group International Pte Ltd Griffin products include filter components, filter elements, as well as completed filters and water separator systems. Griffin’s lab-tested filtration systems help save fuel, reduce maintenance costs, and prolong engine life. Read More Griffin Filter - Diesel Filters Direct Diesel Filters Direct is a factory authorized dealer of Griffin Filtration products. We offer the best online selection of Griffin fuel water separators available. Questions? Call us at 1-281-346-8756.