Features: Experience powerful and efficient air delivery with this 555 Motor Vacuum Diaphragm Air Pumps, designed to meet your high pressure requirements with ease. This small and pump features a quiet operate design, ensuring minimal noise disruption while providing a maximum vacuum of ≤ 50Kpa and pressure of ≥ 70Kpa. Suitable for aquarium enthusiasts seeking oxygen supply solution, as well as laboratory professional in need of precise high pressure air delivery. Versatile in application, this Small vacuum Air Pumps is perfect for projects, packing machines, massagers, inflators, and enhancing environments. Constructed from high quality materials, this Air Pumps promises longevity and consistent performances, making it essential component for various pneumatic applications. Specifications: Material: plastic Type: DC12V/DC24V(optional) Size: about 11x6cm/4.3x2.4inch Package Includes: 1xMiniature Air Pumps note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.