Features: Experience quiet operate with the AMP503 Small quiet Electromagnetic Air Pumps, engineered for environments and noise sensitive applications. Boasting high efficiency performances with low energy consumption, this Air Pumps is crafted from high temperature resistant and corrosion resistant materials for long lasting use. Suitable for laboratory researcher and professional who require a Air Pumps to assist with precise scientific experiments and studies. A perfect tool for enthusiasts and hobbyists looking to create or maintain small scale devices that demand controlled airflows and vacuum applications. Enhances your home improvement projects with this AMP503 Air Pumps, a versatile addition to any plumbing fixture or experimental . Specifications: Material: metal+ABS Type: AMP503 Size: about 9.9x10.5x6cm Package Includes: 1xElectromagnetic 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.