... . Pressure: > 1.3bar Max. Vacuum: -0.75bar Application: Spraying apparatus, atomizer Micro water pump Item NO.: AJK-B4001Working Voltage: DC 6 ... : < 65dBPipe Diameter: 6. 0mmExternal Size: 32*51*75mmApplication: Spraying apparatus, atomizer, aquarium, Vacuum Sealing Machine, Vacuum Storage Box, Breast pumps etc ...