Features: Experience high vacuum and large pressure with this compact and low noise WP370B motor mini vacuum air pumps. Perfect for medical, mechanical, and household applications. Made from quality materials, this mini vacuum air pumps offer stable performances and easy installation. Its small size makes it convenient for various uses. Designed for wide ranges of users, including medical professionals, DIY enthusiasts, and hobbyists. Whether you need to sample gases, inflate objects, or create a vacuum, this versatile pump is suitable for laboratories, workshops, and home project. Enhances your productivity and efficiency with this reliable and durable motor mini vacuum air pumps. Specifications: Material:ABS Length:Approx.80mm/3.15in Model:WP370B Rate voltage: DC12.0V Voltage: DC9.6V~14.4V Load current: ≤ 350mA No-load flow rate (air): 0.5~1.5L/mins Empty flow rate (water body): 1.1~1.3L/mins Operating temperature ranges: -20~60oC Noise: ≤ 60dB Most large inflation pressure: ≥60KPa Package Includes: 1xWP370B Air Pumps note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.