Extra Large Cuff Compatible with Omron 9”-21” Inches (22-53CM) XL Blood Pressure
$25.63
How to use： 1. Keep the lower edge of the cuff 0.8"-1.2" (2-3CM). The trachea is on the inside of the arm and aligned with the middle finger. Make sure one finger can be inserted. The cuff should also be replaced.
