United Instrument’s 6111 Series Manifold Pressure Indicator uses an internal bellows system to measure the absolute pressure of the aircraft engine intake manifold. The unit displays readings in Inches of Mercury Absolute. The 6111-D17 model is 3 inches in size with a single engine. Includes: Manifold Pressure Gauge, Unit Only Product Photographs Disclaimer: Stock photographs do not show the actual product for sale. While Pacific Avionics makes its best effort to ensure all products are of good repair, photos of the item for sale are available on request.
