Offers proven reliability at an economical price. The Caliber aneroid sphygmomanometers are designed for many years of rough service in the hospital and nursing home, as well as the EMT field. These units are backed by a Twenty Year Calibration Warranty. The Caliber Series is only available in a calibrated blue nylon cuff and a deluxe air release valve. Come with matching blue aneroid gauge in the most frequently requested cuff sizes. Unit comes complete with a zippered carrying case.