This WORKSHOP Wet and Dry Vacuum Accessories Wet and Dry Vacuum Hose is the perfect addition to your vacuum. The vacuum hose accessory features Dual-Flex technology that resists crimping and collapsing. This vacuum hose adds 180-degree flexibility at both shop vacuum hose ends. Vacuum hose with Dual-Flex technology resists crimping and collapsing Adds 180-degree flexibility at both shop vacuum hose ends Locking tab won't pull loose during use but easily attaches unlike many shop vacuum hoses 2-1/2 in. diameter allows for large debris collection and maximum airflow Works with 2-1/2 in. shop vacuum accessories and fits most shop vacuums with standard 2-1/2 in. inlet port opening