Festo PEV-1/4-B Pressure Switch These Switches are designed to accurately monitor and control air Pressure, ensuring precision and optimal performance in industrial Settings. with a highly reputable brand like Festo, you can trust that the PEV-1/4-B model is built with the highest quality materials to provide reliable and long-lasting use. Invest in a Pressure Switch that will maintain consistent Pressure and enhance the efficiency and Safety of your work environment.