ADC Diagnostix 720 Pocket Aneroid Sphygmomanometer with Adcuff Nylon Blood Pressure Cuff, Adult, Black Precision crafted 300mmHg Japanese-engineered manometer with classic black baked-enamel finish, exceeds ANSI/AAMI/ISO 81060-1 specifications for accuracy and backed by a lifetime calibration warranty Extended scaleplate graduation marks reduce parallax for easier viewing from virtually any angle Adcuff nylon cuff with ADCs proprietary Size Guide marking system prevents mis-cuffing Adflow filter screen check and deflation valve reduce dust build-up; Adflow chrome-plated brass air release valve offers precise deflation control Leatherette carrying case with durable nylon zipper Not made with natural rubber latex or phthalates Assembled, inspected, and packaged in the U.S.A. from foreign components Lifetime calibration warranty and three-year inflation system warranty