UNITED INSTRUMENTS MANIFOLD PRESSURE GAUGE 6121E SERIES

United Instruments Manifold Pressure Gauge 6121E. The United Instruments Manifold Pressure Gauges are notorious for being some of the best built gauges on the market. These units are used on aircraft to indicate the absolute pressure of the aircraft's engine intake manifold in inches of Mercury Absolute. Model 6121E is 3 inches in size with a dual engine. This United model has a clean Black & White design for the dial markings, and may be custom range marked upon request. **If purchasing Range Marks; Please provide the details under the 'Customer Notes' section at Checkout.