IFM Electronic Pressure Sensor: -0.2 to 3.6 psi, 4 to 20mA or 0 to 10V DC, PNP, Programmable - 52PG29|PN2298 - Grainger
Makita® HP™ High Pressure Electric Air Compressor, 3.7 cfm at 40 psi/3.6 cfm at 90 psi/2.7 cfm at 300 psi, 2.5 hp, 1.6 gal tank - 252588 - Northern Safety Co., Inc.