Air Prophy System P555, 4 Hole. Includes: 130g Jet Polishing Powder, 3 color coded Powder Holder Covers (Red, Blue, Green), 2 Nozzles (360 degree swivel), Cleaning Tool, O-Ring Set. EZ Nozzle is fully autoclavable up to 134 C/273 F. Fits comfortably in large and small hands. No extra foot control, external air or water connections are needed. Jet polishing powder has a refreshing lemon scent. Quick Connection. Search for additional EZ Nozzle - P660 Single unit