The mark consists of blue background with clouds in the upper half of the label fading into a white background in the lower half of the label. There is a light blue arrow in the background of the upper half of the label pointing to the lower left corner of the label. There is a light blue arrow in the lower half of the label pointing to the upper right corner of the label. API Certified label in the top right corner of the label with "Meets Clean Air Act of 2010 Requirements" in blue font beneath the API label on the right side of the label. "Pure Air" in black font in the middle center of the label with a green line going through the text. Between the words "Pure Air" there are two small blue arrows- the top arrow pointing to the lower left corner of the label and the bottom arrow pointing to the upper right corner of the label. "DEF" in blue fading to white fading to blue font outlined in white and outlined again in black in the center lower 2/3 of the label. "Diesel Exhaust Fluid" beneath "DEF" in dark blue font centered in the label. "2.5 US Gallons (9.463L) on black font and the center bottom of the label.