Special Design for check Tank and Regulator pressure. Compatible with many Porter Cable Compressors. * What's included : (1) Replacement 4 PORT REGULATOR, * Please refer to list below for compatibility Craftsman 919.167243, 919.178430, 919.164200, 919.195410, 919.195411, 919.195412, 919.195413, 919.167141, 919.167342, *C2550 4 Gallon , C2550 Type 1 4 Gallon , CPF23400P , CPF23400P Type 1 , CPF23400P Type 2 , CPF23400P Type 3 , CPF6025VP , CPF6025VP Type 1 , CPFAC2040P , CPFAC2600P , CPFAC2600P Type 1 , CPFAC2600P Type 2 , CPFC2TV3525VP 25 Gallon Vertical , CPFC2TV3525VP Type 1 25 Gallon Vertical , CPFC2TV3525VP Type 2 25 Gallon Vertical , CPLDC2540P , CPLDC2540P Type 1 , CPLDC2540P Type 2 , CFBN220 A , CFBN200A A , CFBN200A Type 2 A , CFBN217A Type 1 A , C2000 A , C2000 Type 1 A , CPFAC2600P-W A , CPFAC2600P-W Type 1 A , C6110 , C2150 , C2150 Type 1 , C2000-WK (Type 0) , C2000-WK (Type 1) , DeVilbiss: 1WC95 Type 2 , Y6010-WK , Black and Decker: 919-72413 , 919-72413 Type 1 , 919-72432 , 919-72432 Type 1 , 919-72432 Type 2 , 919-72550 , 919-72550 Type 1 , 919-72550 Type 2 , 919-72550 Type 3 , 919-16555 , 919-16644 , 919-16644 Type 1 , 919-16778 , 919-16778 Type 1 , 919-16778 Type 2 , 919-16778 Type 3 , 919-16778 Type 4 * What's included : (1) replacement 4 PORT REGULATOR