... with ball valve Automatic Refrigerant Recovery, cleaning and Filling Machine HS-680 Connection: 1/4 SAE quick coupler ... R410aFeatures: 1. Functions for recovery, cleaning,regeneration, vacuum, filling (oil, fluorescent,refrigerant) and monitoring. 2. Large screen ... 7. Applicable to small refrigerantion and A/C system below 5 kg. Automatic Refrigerant Recovery,cleaning and Filling Machine HS-680