Specially formulated chemical treatment for SeaLand SAN-X and Mansfield TDX treatment systems.Meets or exceeds U.S. Coast Guard requirements for Type I Marine Sanitation devices when used withSeaLand SAN-X and Mansfield TDX treatment systems.Breaks down waste and tissue. Handles four treatment cycles. Gallon.Treatment Type: ChemicalDosage: Gallon handles four treatment cyclesActive ingredient: Formaldehyde