This item is a sintered bronze breather fitting. It is used on the Mac valve and other pnuematic devices to reduce exhaust noise and prevent contaminants from entering the system.

Thread Size: 1/4" NPT

WARNING: This product can expose you to chemicals, including lead, which are known to the state of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.