The Expansion Tank Coolant Level Identification Film provides a visual reference for monitoring and maintaining the appropriate coolant level within the expansion tank. By displaying graduated markings, the film allows operators to quickly determine if the coolant level is within the recommended range. Attributes:• Provided with a clear background, black symbols, lines, and characters for better visibility• Withstands a wide temperature range, ensuring it remains intact and readable in both hot and cold conditions Applications: The Expansion Tank Coolant Level Identification Film acts as a visual indicator for monitoring the coolant level, it enables operators to take appropriate actions, such as adding or draining the coolant, to maintain the cooling unit's efficiency.