The California Air Tools Ultra Quiet and Oil-Free Air Compressor is designed to be one of the quietest 4.0 HP air compressors in the industry having only 75 dBs of sound. The powerful two 2.0 HP motors operates at only 1680 RPM creating less noise, vibration and creating less wear. The Oil-Free Dual Piston Pump System is engineered for longevity, high performance and durability. The SP-90407 Motor/Pumps are tested for a minimum pump life of 3000 hours before service. 30% more life before repair. The large 20.0 gal. steel air tank is the right size for most all locations. The manually set timer allows you to set the time for both the frequency and duration of the draining process. The California Air Tools EZ-1 Automatic Drain Valve has been designed to eliminate manually draining your air compressor air tank. The manually set timer allows you to set the time for both the frequency and duration of the draining process. This air compressor is ideal for anyone working inside.Limited Warranty 1 Year

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