The patent technology hygiene special push button head design to avoid the entry of oral fluids and other impurities into handpiece head perfect water spray due to instant cooling system light and handy, according to the ergonomic design. New patent technical cartridge design , longer service time. Features: - Air pressure: 180-320KPa (*Suggested use 180-220KPa). - Autoclave the handpiece for 12 min. at 135ºC. **For further product information , please contact Chat Support**