Product Name: Dental Handpiece Internal Spray Air Motor Model NO.: 1020AM-M4/1020AM-B2 Rotating Speed: Low-Speed Handpiece Number of Holes: Four Holes Exhaust Way: Internal Exhaust Application: Adult, Child Usage Times: Non-Disposable Water Way: Inner Channel Light Way: Without Light Material: Stainless Steel Certification: ISO, SGS, CE Condition: New Noise: Less Than 70dB Trademark: TEALTH Transport Package: Carton Origin: China HS Code: 90184100 Product Description Internal water spray dental air motor handpiece with 4holes connectorModel :1020AM-M4Parameter:Air/ water tube ,external water systemMatch up Etype motor ,4 hole connecitonRotation speed :14000-20000RPMConform to ISO 13485 standardFeatures:1.Superior FKM material Oring,better autoclave sterilization2.Exterior channel water spray systerm3.Exquistie electroplate appearance4.Forward and reverse options5.Four holesOperation Instruction:It shall be sterilized before handpiece is used at the first time;Sterilization temperature is 135ºC and last for 12 minutes.After using,Please follow the instruction to sterilize the handpiece:1 extract the bur from the handpiece,use the soft brush to clean the dirt and wash with disinfection of alcohol cotton.2 lubricate the handpiece,pour two drops into air tube one time.3 wrap it with sterilization package and mark.Please do not use the acid solution to scrub, inject or soak the handpiece.Please do not autoclave the handpiece with residual chemical substances.Handpiece should be packed well and place at clean and dry room without dust, sulfur and salt.Please do not touch the handpiece immediately after autoclaving.