SS Diaphragm Type Pressure Gauge(Dial 2.5 Inch)(10 Bar) Introducing our top-of-the-line Gel-Filled Stainless Steel Diaphragm Type Pressure Gauge, specifically designed for fermenters. Engineered for precision and durability, this pressure gauge ensures accurate readings and long-lasting performance in demanding environments. The gel-filled diaphragm provides superior protection against vibration and pulsation, making it ideal for maintaining optimal pressure levels in your fermentation processes.