The Diesel Exhaust Fluid Tank Cap Adapter provides a sealed connection point for the diesel exhaust fluid tank filler neck and the cap. The screen integrated into the adapter serves as a primary filter. It prevents large contaminants like debris or insects from entering the tank during refueling. This helps maintain the diesel exhaust fluid purity.Attributes:• Provided with 180-micron nylon mesh offers a good balance of durability and appropriate filtration efficiency• Manufactured with precise specifications to fit accurately• Withstands the environmental operating temperature of -40 degrees Celsius to 72 degrees Celsius Applications:The Diesel Exhaust Fluid Tank Cap Adapter ensures a proper fit between the tank and the cap and that no contaminants can enter the diesel exhaust fluid tank during refilling.