Dental isolation adaptor for isolating two quadrants at once while simultaneously providing tongue retraction and continuous suction. Strong, ultra-lightweight control head assembly constructed of easy-to-clean autoclavable polymer. Dual vacuum controls allow you to focus continuous hands-free vacuum suction in either quadrant for better control of moisture and oral humidity. 12 month warranty. Contents include: Isolation Adaptor, Suction Line Plug, O-ring Maintenance Kit, O-ring Lubricant, Double End Tube Brush and 11mm Saliva Control Head Connector.