This 1-gallon tank has two 1⁄4in ports.
As an important safety precaution, a Safety Blowoff Valve should be installed with any air system. A Safety Blowoff Valve is designed to keep the system from over-pressurizing and to prevent damage to other components. It is suggested to use a Safety Blowoff Valve with a PSI rating between 25-35 PSI higher than the maximum pressure of the pressure switch.
This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.p65warnings.ca.gov.