Differential Pressure Plus has been designing and manufacturing differential pressure gauges since 1991. We are located on the Long Island Sound in the town of Branford, CT and have customers located in every part of the globe. Our specialty is customization and rapid prototyping for the most unique applications of differential pressure. However, we also maintain the ability to handle large quantity orders and even stock gauges for time sensitive applications. Our differential pressure gauges are used around the world for filtration, liquid level, flow, and many other needs that involve liquids and gases.