Root Canal Chelating Conditioner/Cleanser ? Conditions/cleans through a chelation process ? Irrigant of choice for smear layer removal ? Can be used as a final irrigant prior to obturation ? All of Ultradent's irrigants, lubricants, and medicaments are compatible with methacrylate resin sealers. Contents: 1 - 30ml EDTA 18% IndiSpense syringe Shelf Life: 24 months.