Built to last, the I-Helix hose was made with the professional service technician in mind. This professional quality vacuum hose has a standard 1.5 inch cuff. It has one fixed cuff and one swivel cuff, which prevents twisting, kinking, or tangling. Perfect for all swimming pool vacuuming needs, the hose is commercial grade quality. The I-Helix Pool Vacuum Hose is recognized as the finest professional grade spiral wound vacuum hose in the industry. It is engineered for flexibility, strength, and optimal flow characteristics. It has the smoothest interior of all spiral wound hoses and is protected against UV and chemicals. The smooth exterior assures maximum external resistance to abrasion and eliminates hang-ups as well, making for long life and easy maneuverability.