Based on my observations the Fleetguard Fuel Water Separator has significantly improved the fuel efficiency of my automotive... I have noticed a noticeable decrease in fuel consumption, resulting in cost savings. The product is easy to install and is made of high-quality materials, ensuring durability. However, the instructions could have been more detailed, making installation even easier. Overall, Fleetguard Fuel Water Separator is a valuable addition to any automotive fuel system..See full review