TRUSTED by Medical Providers since 1971 | Lifetime Calibration | Latex-Free | Adult Sized Cuff Included, FAST & EASY to measure blood pressure in a medical setting, at home or on the road, GAUGE: easy to read, extra-large high-contrast dial, stress-tested over 3,000 times, calibrated five times and certified 300 mmHg manometer attains accuracy of +/- 3 mmHg without pin stop. CUFF and CARRYING CASE: adult-sized cuff, high-molecular polymer nylon cuff and carrying case are abrasion and moisture resistant. Accurate arterial compression with artery indicator label and index range. Removable bladder for easy cuff cleaning. INFLATION: high-density non-stick, non-cracking inflation bulb and bladder. Equipped with screw-type valve for easy and precise deflation control.