Big Horn 4" Wet/Dry Vacuum Cleaner Adapter makes it easy to connect a 4-inch hose to 2-1/4" vacuum cleaner accessories. Made from durable ABS plastic, this adapter is designed for versatility and works well with a variety of wet/dry vacuum cleaner systems. Its sturdy construction ensures reliable performance for both wet and dry cleaning tasks, making it a practical addition to your cleaning tools. Model Number: 11402