Medzer Aneroid BP Apparatus has a large manometer for clear readings from 0 to 300 mmHg with ±3 mmHg precision. It features a deflation valve for controlled air release, a smooth nylon cuff, an easy-grip latex bulb, and a mercury-free design for reliability and safety. https://www.medzer.com/aneroid-bp-monitor/abp-1000e