The compact Air Dog provides the most effective technology designed specifically for diesel pickups to remove water, particulates, vapor and entrained air from diesel fuel. The Air Dog FP-150 lift pump and filter system, enhances the fuel delivery to the Duramax relieving the pressure on the CP4 internal pump. It mounts to the frame jig in front of the fuel tank for a clean looking installation. Utilizing a supplied 1/2" draw straw to suck fuel from the tank for the suction side and plugs into the factory fuel line on the pressure side for the CP4 for a simple installation. The return is sent through the filler neck Tee for the return to the tank.