Dwyer 2215 Magnehelic® Differential Pressure Gauge is a reliable and accurate instrument for measuring differential pressures in air and non-combustible gases. With an IP67 enclosure rating and a durable die-cast aluminum housing, it is built to withstand harsh environments. The gauge has a temperature range of 20 to 140°F and an accuracy of ±2%, making it suitable for a wide range of applications. It comes with standard accessories, including pressure taps and adapters, and has a 4" dial face for easy reading. Its pressure limit ranges from -20 in Hg to 15 psig, with options available for higher pressures. Overall, the Dwyer 2215 Magnehelic® Differential Pressure Gauge offers reliable performance and durability for pressure measurement applications.