• Mastercool manufactures a complete line of shut-off valves for containment of refrigerant
• EPA requires shut-off valves within 12 inches of the charging hose ends to prevent unnecessary venting of refrigerant
• Using shut-off valves is much safer than allowing refrigerant to blow out during service
• Needle valve design with flexible hose controls refrigerant with a quarter turn of the valve handle
• Meets SAE, EPA and UL requirements for containment of refrigerant
• Screws onto charging hose end
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