... . Advantages:eo-friendly,portable,mini,safe, powerful mini air pump compressor Model: SKD-H8170Product Size: 22.8*9.3* ... . Place connector on valve of the tire tightly and close the thumb latch. Make sure there is no air leak ... to 30 PSI. 5. While reaching rated air pressure, close down switch, take down nozzles and plug, the inflation is ... pumps,Please feel free to contact us. mini air pump compressor