Offering more features than any other sphyg in its class, the 720 provides our finest value. The 720 series features: Precision crafted 300mmHg Japanese engineered manometer with classic black baked enamel finish exceeds industry performance standards Extended scaleplate graduation marks reduce parallax for easier viewing from virtually any angle Adcuff™ nylon cuff with ADC’s 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 for precise deflation control Leatherette carrying case with durable nylon zipper Assembled, inspected, and packaged in the U.S.A. from foreign components Meets or exceeds ANSI/AAMI/ISO 81060-1