Small blood pressure replacement cuff, fits arms 16-24 cm (6.3-9.4″). Compatible devices: UA‑651CN, UA-651CNBLE and UA-1030TCN Medium blood pressure replacement cuff, fits arms 23-37 cm (9.0-14.6″). Compatible devices: UA‑651CN, UA-651CNBLE, UA‑767FAM, and UA‑1030TCN Large blood pressure replacement cuff, fits arms 36-45 cm (14.2-17.7″). Compatible devices: UA‑651CN, UA-651CNBLE, UA‑767FAM, and UA‑1030TCN Wide Range blood pressure replacement cuff, fits arms 22-42 cm (8.6-16.5″). Compatible devices: UA‑651CN, UA-651CNBLE, and UA‑767FAMOpen the Accessories Chart to find which replacement cuff is compatible with your blood pressure monitor. 2 year cuffs warranty. See the Accessories Chart to find which replacement cuff is compatible with your blood pressure monitor. Take your blood pressure at home quickly and confidently with the latex free blood pressure cuff from A&D Medical. The cuff is designed to conform to your arm to make it as comfortable as possible when you measure your BP. The A&D Medical blood pressure cuffs are durable and come with a 2 year warranty. Using the correct size cuff is important for an accurate reading. A cuff that is too large will produce a reading that is lower than the correct blood pressure; a cuff that is too small yields a measurement that is higher. With your arm hanging at the side of your body, measure the circumference of your upper arm at the midpoint between the shoulder and elbow. Select the proper cuff size from the Accessories Chart. Specifications Cuff Size 16-24 cm (6.3-9.4″) Compatible Devices For use with the A&D Medical UA‑651CN, UA‑651CNBLE, and UA-1030TCN Blood Pressure Monitor Cuff Size 23-37 cm (9.0-14.6″) Compatible Devices For use with A&D Medical UA‑651CN, UA-651CNBLE, UA‑767FAM, and UA‑1030TCN Blood Pressure Monitors Cuff Size 31-45 cm (12.2-17.7″) Compatible Devices For use with A&D Medical UA‑651CN, UA-651CNBLE, UA‑767FAM, and UA‑1030TCN Blood Pressure Monitors Cuff Size 22-42 cm (8.6-16.5″) Compatible Devices For use with A&D Medical UA‑651CN, UA-651CNBLE, and UA‑767FAM blood pressure monitors