This versatile hose adapter bridges 5inch and 4inch hoses, allowing seamless connection between large dust collection systems and smaller tools. By improving compatibility across different setups, it enables you to get more out of your existing equipment without the need for complex modifications. Key benefits: Connects large dust collectors to smaller woodworking or sanding tools for expanded dust extraction capability. Enhances air quality by enabling dust removal from a wider range of equipment. Maintains strong airflow by preventing leaks when used with a standard hose clamp (not included). Built from durable black ABS plastic for impact resistance and long service life. Common applications: Linking a 5inch main dust collection line to a bench sander with a 4inch port. Connecting a large central collection system to portable tools in different work areas. Adapting vacuum hoses to small woodworking machines for more efficient cleanup. Specifications: Size: bridges 5inch hose to 4inch hose. Material: ABS plastic, resistant to impact and wear. Color: black. Requires hose clamp for secure fit (not included). Designed for quick setup and lasting reliability, this adapter helps ensure that your dust collection system works effectively across all tools, large and small.