The 51111-4761 BREATHER is used on various brands of air compressors including both electric and gas powered oil lubricated single stage air compressor, 2 stage air compressors, portable air compressor, direct drive compressors and stationary air compressors as well as many oil free hand carry air compressors.
Fits the following pumps:
PV02A
PT03A
PS25H
PV05A