Allows three working stations to use the same air supply. Durable aluminum and brass contruction. Makes connecting and disconnecting easy with angled spacing between couplers. 1/4"" NPT air outlets and 3/8"" NPT inlet. Maximum PSI 90 ⚠ WARNING: This product can expose you to LEAD, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.