The mark consists of a rectangle with rounded corners, the letters "NSF" appear within a circle in the left side of the rectangle, and the words Contents & Claims Certified" appear in the right side.
N S F CONTENTS AND CLAIMS CERTIFIED
Color is not claimed as a feature of the mark.
The certification mark, as used by persons authorized by the certifier, certifies that the goods provided comply with public health standards and regulations and are free of unsafe levels of contaminants, and that they conform to standards developed, published and furnished by the certifier.
"CONTENTS & CLAIMS CERTIFIED"