This Fieldpiece SDMN6 dual port manometer is a reliable tool for measuring air pressure and testing pressure switches. It comes with a convenient carrying case for easy transportation and storage. Whether you're in the HVAC industry or simply need to measure air pressure for your business, this tool is an excellent choice. With its accurate readings and user-friendly design, the Fieldpiece SDMN6 is a versatile tool that can be used in a variety of applications. Its robust construction ensures durability and longevity, making it a valuable addition to any toolbox. Get accurate air pressure readings with ease using this Fieldpiece manometer.