4-wheel mechanical fuel transfer meter kit, 6-40 gpm. Aluminum construction. +/- 2% accuracy rating. Designed for gasoline, diesel,biodiesel up to B20, E15 and kerosene. Includes meter and fittings to mount on 1 outlet FR4200, NX3200, and FR710 series fuel transfer pumps. UL/cUL, ATEX, CE. Two-year warranty. Made in USA.