Features • Ideal For Miniature Diaphragm Pumps: Specifically designed to enhance the performance of miniature diaphragm pump motors, ensuring optimal functionality and efficiency • Premium Quality Carbon Composition: Made with high-grade carbon, these brushes provide reliable conductivity and durability, maximizing the motor's performance and lifespan • Regular Maintenance Made Easy: Includes 100 pieces, allowing for timely replacement and maintenance, helping to eliminate carbon deposits and ensure smooth operation • Enhanced Longevity And Performance: Engineered for extended service life, these brushes deliver superior performance, reducing downtime and enhancing overall motor efficiency • Effortless Replacement Process: Designed for easy installation, these carbon brush replacements allow you to quickly swap out broken parts without hassle or technical expertise Features: 1、Suitable for miniature diaphr pump motor. 2、When the motor rotates, electric energy is supplied to the coil through the inverter, and its main component is carbon. 3、Need regular maintenance and replacement, and cleaning up carbon deposits. 4、There is a total of 100pcs, which can be used for a long time. 5、This product has longer service life and better performance. 6、Replacement carbon brush for you easily replacing the broken one. Specification: Item Type: Carbon Brush Model: J420 Size: Approx. 6 x 6 x 15mm / 0.24 x 0.24 x 0.59in Scope of Application: Miniature diaphr pump motor Package List: 100 x Carbon Brush Package List 100 x Carbon Brush