- Versatile 10-in-1 Fan Key: This fan mounting wrench is designed to replace fans of various sizes, compatible with male threads M18, M20, M22, M24, and M28, as well as built-in fans M16, M18, M22, M24, and M28. - Quick and Easy Operation: The vent key tool features an ergonomic grip for effortless rotation, allowing you to disassemble and install fans in just minutes without the need for additional tools. It effectively aerates and cleans clogged faucet aerators, restoring smooth water flow and enhancing your faucet's performance. - Durable Quality Metal: Crafted from high-quality zinc alloy, this universal bleeding tool is built to last. The chrome-plated surface enhances durability and ensures reliable removal of tap aerators, providing you with a long-lasting solution for your plumbing needs. - Compact and Convenient Design: This air vent key consolidates the function of 10 ordinary keys into a compact size, making it easy to store in your backpack or at home for quick access. Its efficient design allows for a hassle-free disassembly of tap aerators. - Recommended Maintenance: To maintain optimal water quality and flow, it is advisable to replace the aerator every three months. This ensures water-saving benefits while promoting healthier water usage. Use Scenarios: 1. Home Repairs: Ideal for homeowners looking to quickly replace or clean faucet aerators and improve water flow. 2. Plumbing Professionals: A must-have tool for plumbers, enabling efficient fan and aerator replacements across a range of installations. 3. DIY Projects: Perfect for DIY enthusiasts who frequently work with different faucet sizes and types, ensuring complete compatibility and ease of use.