Vacuum: to 20"", pressure: to 15 psig; free air capacity: 900 cu. in./min.; size: 18 x 10 x 13 cm (7 x 4 x 5""); motor: 1/30 hp. Includes two 3/8"" (M)NPT x 3/8"" hose barb polyethylene tubing adapters. Corrosion-resistant. Non-contaminating plastic body. Viton® diaphragm for extended wear. Vacuum oil not required. Completely enclosed fan-cooled motors are service-free. Quiet, reliable operation. Warranty: 1 year. 12 volts DC.