The Falcon Gauge Manifold Pressure gauge is designed for use on aircrafts and is a standard diaphragm pressure instrument. The indicator is temperature and altitude compensated. The Manifold pressure is one of the factors required to obtain a proper engine setting. 
Size: 3-1/8"
Weight: 13.5oz or 386g 
Length: 75"

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Size Model No. Description
3 1/8" MP1050-3 10-50 INHG
3 1/8" MP1035-3 10-35 INHG