QASVOU 3/5/10PCS Micro 130 Air Pump Vacuum Pump Oxygen Pump DC 3V 3.7V 5V Air Oxygen Pump Air Pressure Vacuum Pump for DIY Accessories(10PCS)

1 Micro 130 Air Pump Vacuum Pump adopts metal brush motor and double-hole negative pressure diaphragm structure, which ensures more stable operation within the voltage range of DC 3V to 5V, improves the vacuum efficiency and meets various usage needs 2 This Micro 130 Air Pump Vacuum Pump weighs only 24 grams and is compact, making it very suitable for occasions that need to be moved and carried, such as laboratories, outdoor activities and home use, making every operation convenient for you 3 Whether it is used for low-pressure vacuum pumps, cooling equipment, or in various experimental environments, this Micro 130 Air Pump Vacuum Pump can provide strong airflow to help you complete various professional tasks 4 Micro 130 Air Pump Vacuum Pump complies with standardized design, ensuring that it maintains high performance during long-term use and provides reliable support for your project 5 Each package contains 3 5 10 Micro 130 Air Pump Vacuum Pumps, which is cost-effective and is an choice for users who high efficiency and cost saving, allowing you to handle multiple projects with ease