Dental Air motor for external water supply, 1 piece to dental unitConnection: 4 holeLight: noAir pressure: 0.3 Mpa Bur application: Φ2.35mm Rotation speed: 20,000 rpmNoise: 70 dBSpray: external spraySterilization: 135° C Article 462107000 Item Added To Cart. Matching products Contra-angle handpiece with ball bearing shank 1:1, blue Mobile dental unit, model DU 893 Handpiece set with internal water supply Full-vision safety goggles 3M, model 2890S Handpiece set with external water suppl