Speedaire Breather Vent 1/4 in NPT 9/16 in Hex 1EJT6

Breather Vents – Max. operating pressure: 150 psi Operating temp. range: 35° to 300°FLow-profile vents insert easily into cylinders, gear boxes, and storage tanks. Prevent dirt and particles from entering ports open to atmosphere.OSHA compliant.