Description Manuals Videos Articles Clemco 22939 - Pressure Regulator, 3/8 NPT knob type for CPF-80 CPF-80 Filter Cap Item # 5 Product Info Manual Customers Also Viewed Clemco CPF-20 Pressure Regulator, 3/8 inch NP… #03594 $57.23 Clemco CPF-80 Breathing Air Filter System wit… #03527 $399.95 Clemco CPF-20 Pressure Regulator Conversion K… #03582 $73.72