The Fleetguard 1/8" NPT Direct Mount Filter Restriction Gauge is the perfect choice for monitoring the performance of your fuel system. This gauge is constructed with high-quality materials for maximum durability and longevity and is designed to provide reliable performance over a long service life. It is crafted to withstand even the worst operating circumstances and is designed for a perfect fit and easy installation. With its easy-to-read display, this gauge is the perfect choice for monitoring the performance of your fuel system. FleetPride is your First Click in Heavy Duty®.