LATEX-FREE LARGE ADULT. An economical aneroid sphygmomanometer for todays cost conscious healthcare market The 775 series features: Black enamel 300mmHg no-pin stop manometer. Navy blue nylon cuff with range markings to facilitate selection of correct cuff size; artery label, and gauge holder. Latex-free inflation bladder and bulb. Chrome-plated deflation valve. Complete with leatherette zippered carrying case and operating instructions.