Foot Control Activated AVS System Foot Control Activated AVS System Air powered oral evacuation Requires 50 PSI minimum air pressure 1 quart plastic collection bottle Mounts to under counter or on the wall (hardware included) Air connection uses 1/4" O.D. supply tubing Precision Comfort Extended HVE 5112 6' of Smooth Vacuum Tubing 733 Requires Scaler Button Style FC to operate (not included) See page 328 for a full list of Scaler Button Foot Controls