Mini Air Pump, 12 Volt DCProduct Description:It is manily used as a high-end air pump for medical equipment.DIY Aquarium Fish Tank PumpMotor Parameter:*Motor Diameter: 30.2mm*Pump Head Size: 32.3 x 32.3mm*Air Outlet Size: 3.9mm (suitable with 3.5mm tube)*Air Inlet Size: 3.9mm (suitable with 3.5mm tube)*Voltage Range: DC 6 Volt~12 Volt DC*Test Data: Current: 0.23 Amp at 6 Volt DC, Current: 0.36 Amp at 12 Volt DC*Will Put Out 3 Liters a Minute With a Minimum Pressure Of 400mm/Hg.*Dimensions: About 2-3/4 Long x 1-1/4 Square*Inlet and Outlet Barbs 5/32 Diameter x 1/4 Length*Wire Leads With 2 Pin Connector About 3.5″ LongKoge ElectronicsKPM32E-12J