Professional single tube cuff for UM-211 only (12-17cm). Using the correct cuff size is important for an accurate reading. If the cuff is not the proper size, the reading may be inaccurate. These cuffs are latex free with a clearly marked range and artery position indicator. They are easy to clean with popular disinfectant agents. GTIN 5060006581366. Manufacturer part number UM-CUF-KS-SS-EC