... Max. Vacuum: -0.75bar Application: Spraying apparatus, atomizer Micro water pump Item NO.: AJK-B4001Working Voltage: DC 6. 0v / DC 12 ... Diameter: 6. 0mmExternal Size: 32*51*75mmApplication: Spraying apparatus, atomizer, aquarium, Vacuum Sealing Machine, Vacuum Storage Box, Breast pumps etc. Micro ...