• This unique design covers 2 7/8” (R134a), 2 1/2” and 2” (OIL) charge cans
• Includes 1/2” ACME-M and 1/4”FL-M ports
• Internal safety check valve prevents system backflow
• Includes 1/2” ACME-M and 1/4”FL-M ports
• Internal safety check valve prevents system backflow