Big Horn 4" x 39" Adjust-A-Flex Hose exceptional flexibility for various workshop applications. You can twist, bend, expand, or contract it, and it maintains its shape, allowing you to aim it precisely where dust is created. This hose is i for situations where conventional hoses are impractical. Made of durable polypropylene plastic, it compresses to approximately 12 inches and stretches to more than 3 feet, providing versatility and adaptability for your dust collection needs. Model Number: 11498