The California Air Tools EZ2321ADS Automatic Drain Valve Short Extension Kit (110-Volt) has been designed to eliminate manually draining water and condensate from air compressor air tanks. Easily Installable. All adapters and connectors are included in kit. Ideal for extending the Auto Drain away from the bottom side of the tank, providing easier access and clearance with respect to floor surface. Automatic Drain Valve can be manually programmed to automatically drain the air compressor air tank to a set time and interval desired. Forge brass drain valve is durable and built for industrial use. Compatible with California Air Tools Air Compressors. EZ2321ADS Kit Includes: EZ-2321-PC Auto Drain, 1/4 in. NPT Elbow Fitting, Female Quick Connect, Male to Male Connector Tube, Short Male to Male Extension Tube, Male 1/4 in. elbow connector x 8 mm (with blue grommet) and 8 mm 10 ft. black PTFE tubing. Compatible with most California Air Tools 1 hp and 2 hp air compressors. Automatically draining the air compressor air tank offers many benefits:1. No time required to drain the air tank. 2. Automatically removes the water from the air tank when desired.3. Removes condensate water from the tank for better air compression in the air tank4. Helps prevent steel air tanks from rusting. 5. Prolongs the life of the air tank. 6. Prevents water from traveling to the air compressor pump/motor.7. Helps remove moisture from entering the air line. 8. Prevents water damage and wear of air tools.