Prophy air motor is designed to use with a disposable prophy angle and prophy paste to perform dental prophylaxis. Features a 360 degree swiveling head. Includes autoclavable motor and three autoclavable sheaths. Replacement o-rings pack of 3 - 5955-460 2 years warranty. Specifications Diameter x Length: 19 mm x 112 mm Operating Speed: 3,000 r.p.m. ±10% ( 4:1 reduction ) Power Output: 6.0 watts Weight: 69 grams Operating Air Pressure: 3 kg/cm² (42 p.s.i.) Connector Type: Midwest 4 hole (type 2 connector per ISO 9168) Filtration: 20 micron air filter recommended Attachment: ISO standard doriot type disposable prophy angles