PC3 INLINE TYPE : 2-WAY, PROPORTIONAL ELECTRICAL CONNECTION FLYING LEADS ORIFICE SIZE: .040 INCHES WORKING PRESSURE: 70 PSIG FLOW RANGE: 0-26 SLPM OF OXYGEN LEAKAGE RATE: 4 cc/min max at 70 PSIG VOLTAGE RANGE: 10 V DC at 2.3 WATTS MAX