Features:1) Nominal bore: φ6.35mm, φ9.52mm, φ12.7mm, φ15.88mm, φ19.05mm2) Applicable medium: R22, 407C, 410A3) Max. allowable pressure: 6.35MPa4) Applicable temperature: -30°C - 120°C5) Material: Hpb59-1 (brass)Application: air-conditioner: the users can easily install the air-conditioners whenusing this product