ASCO SOLENOID VALVES pilot operated, high flow, heavy duty single solenoid / dual solenoid 1/4 to 1 ASCO SOLENOID VALVES pilot operated floating diaphragm 3/8 to 2 ASCO SOLENOID VALVES NC pilot operated high flow, quick exhaust 1/4 to 3/8 ASCO SOLENOID VALVES pilot operated floating diaphragm 3/8 to 2 ASCO Solenoid Valve - 3 Way: 3/2 - Series 300