Used to safely dispense DEF fluid while preventing its contamination, Graco Blue pump packages help manage DEF and reduce vehicle emissions in automobiles, buses, heavy-duty trucks, and off-road vehicles for small garages, large dealerships, and heavy equipment maintenance facilities. Diesel Exhaust Fluid (DEF) dispensers include Graco LD Blue electric pumps and packages, for smaller applications with runs up to 50 ft, and Graco SD Blue pneumatic powered pumps for runs up to 200 ft.