The R-290 Refrigerant I.D. Labels 10PK from MARS are essential for identifying R-290 refrigerant systems. Each label is designed for durability and compliance with industry standards, ensuring clear identification in HVAC applications. The labels are made from high-quality materials that withstand various environmental conditions, making them suitable for both indoor and outdoor use. Measuring standard sizes for easy application, these labels help maintain safety and regulatory compliance in refrigeration systems. Ideal for technicians and contractors, this pack of 10 labels ensures you have enough for multiple installations or repairs.