Seart up food control regulate the water and air to kthe standard of commonly using. Turn off the water after work. Shut off the air source. Connect it with high-speed handpiece, adjustable pneumatic to 0.2mpa and adjust the conditioning cooling water to be like frost when the handpiece works. 1Plastic tube for connection to air compressor.The sale of this item may be subject to regulation by the U. Food and Drug Administration and state and local regulatory agencies. Tracking info of your parcel is available. These charges are the buyers responsibility. Pls make sure that the item is in good condition (original tags). Monday to Friday: 8:30am - 6:00pm (Beijing Time). Saturday: 8:30am - 3:00pm. The item "Portable Dental Air Turbine Unit Work with Compressor Handpiece Adapter 4 Hole" is in sale since Friday, June 26, 2015. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical & Lab Equipment, Devices\Dental Air Compressors & Vacuum Systems". The seller is "seller2012usa" and is located in Gresham, Oregon. This item can be shipped worldwide.