This set of magnetic fuel treatment system improves your gas mileage. And save fuel and money for you. It also reduces car emission and carbon monoxide and hydrocarbons Save money and fuel, as well as improves your gas mileage. Reduces carbon monoxide and hydrocarbons, car emissions. Improves performance, quick starts. Easy to install. Specifications Name X-Power Magnetic Fuel Saver Material ABS Package Weight 50g Package Size 20L x 15W x 3H cm Package 1 x Magnetic Fuel Saver