此真空泵可以将湿气从空调系统中抽出,使您可以安全地添加制冷剂,操作方便,只需连接一个气管,2分钟之内就能完成整个抽气过程.是您为汽车空调,家用空调,冰箱冷柜及其它制冷系统添加制冷剂的理想用品.(The vacuum pump may extract the moisture from the air-conditioning system, enables you to be possible to increase safely the refrigerant, the ease of operation, only need connect a trachea, in 2 minutes can complete the entire exhaust process. Is you are the automotive air conditioning, home use air conditioning, refrigerator refrigerator and other refrigeration system increase refrigerant ideal thing.)