The OTR Nitrite-Free OAT Extended Life Concentrate Antifreeze / Coolant is designed to provide effective long-term protection against corrosion for all engine metals. This environmentally conscious solution is formulated without nitrites, offering a safer alternative. Its concentrated formula permits custom dilution tailored to specific climate needs. The extended-life formulation minimizes the need for regular coolant changes. Additionally, it prevents scale and deposits, ensuring systems remain clean and efficient over time.