A superior, two-way "on-off" solenoid valve for automatic control of flow in water lines. Features a molded, waterproof 120V/60Hz cycle coil and a brass connector for attachment to a 1/4" water line. This unit is recommended for use with the ESHS Humidistat in growroom humidification systems. Or couple it with our 24 Hour/15 Minute Interval Timer for use in an automated watering system. Its uses are limited only by your ingenuity! Operates at 0 - 200 psi.