Differential Pressure Plus designs and manufactures quality pressure gauges for air, gases, liquids and chemicals used in the filtration industry. Our digital or standard gauges are made of stainless steel, aluminum, ceramic, TeflonĀ® and Buna. Not only do we build gauges, we also assemble backflow testing equipment, offer calibration services, and much more. Our entire sales team is made up of engineers ready to take new projects and help your designers integrate our gauges. To learn more, contact Differential Pressure Plus today!