The Robinair 42278 is constructed from solid aluminum for added durability needed for repeated, tough daily use. Contoured easy to grip hand wheels are color coded for quick and easy identification. Full 3/8" bores through the body aids in getting the job done quickly and efficiently. Large, easy to read 3-1/8" (80 mm) gauge protected by Lexan lenses. 3/8" vacuum port for use with larger hose to cut evacuation time. Improved face seal valves. Better design provides a tighter seal means less wear and improved flow. Proven, double O-ring piston design for extra reliability and longer life. Comes with 60" envirogurds hoses 60" 3/8" black evac hose.