The FR4210H is a 12-Volt 20 GPM fuel transfer pump that comes with a 1 in. x 12 ft. discharge hose, 1 in. manual nozzle, 1 in. x 34 in. telescoping steel suction pipe, 1 in. elbow, 5 ft. 12-Gauge ground wire, and a 18 ft. 12-Gauge 2-wire battery cable. It can be used to pump gasoline, diesel, kerosene, ethanol blends up to 15%, methanol blends up to 15%, and bio-diesel up to B20. The previous FR4210G model has been updated to the FR4210H model. With a removable junction box, the product is now easier to install. The performance specifications of the product did not change.