These quality pocket aneroid sphygmomanometers meet the needs of healthcare professionals with demanding standards. Manufactured for School Health to our strict guidelines by Mabis Healthcare. Each unit features a comfortable, calibrated black nylon cuff and comes with a deluxe air release valve. The easy-to-read gauge is backed by a lifetime calibration warranty and will provide years of reliable service. 300 mmHg manometer accurate to +/- 3 mmHg. Zippered carrying case for easy portability is also included.