Features of Under Counter Mount Systems RD-4600:

Slide out service access
Automatic selection for 3 handpieces
3-way air/water syringe
Instrument holder bar, 12.25"
Master ON/OFF toggle with indicator
Pressure adjustment for each handpiece
Non-retracting water coolant, adjustment & purge
Easy to read pressure gauge
Brass plated valves for long life
Asepsis handpiece tubing, sterling (specify straight or coiled) 
Standard disc foot control
7' umbilical tubing

OPTIONAL: Master Valve Assembly with Filter and Regulator to Hook to New Plumbing