One foot (12 inches). Please see images. Made from High Grade Silicone Vacuum Tubing. Almost 2x thickness of original rubber hose. High grade replacement and durability improvements over the original factory vacuum hose. Fits SoClean machines with “1200SC” in the serial number, replaces PN1104 Replaces worn vacuum tubing that could be causing leaks within the system Perfect, high quality replacement for your worn out original hose Silicone Vacuum Tubing made from High-Grade Silicone fits SoClean 2 CPAP Cleaner and Sanitizer Machine. Fits SoClean machines with “1200SC” in the serial number. Replaces PN1104.