Features: Magnetic fuel treatment system Improves gas mileage up to 24%, help you save hundreds of dollars a year on fuel costs Give you aincreased horsepower output, a better and faster ignition and reduced carbon monoxide emission Easy to install Two pieces of neodymium bar magnets are inside two plastic holders respectively with N-S poles facing each other which attract two pieces together. Use the strap to the two pieces tightly to the fuel line. Choose the spot which is about 2 inches from the engine to apply this unit. Works on all engines and fuels-uses strong magnets , -performance, larger and commercial engines Place over the incoming fuel line (gas ) in your car, truck, boat or motorcycle and start maximizing your engine's performance. Will dramatically reduce engine maintenance costs by eliminating carbon and varnish deposits, the main source of engine wear. It can also be used for water treatment purpose. It can be used from 1/4" up to 1/2" pipe Each package contains two sets of magnets and straps Material Type: ABS Color: Yellow Include: 2 x Magnetic Fuel Savers 2 x Tighten Straps Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store