BHS Validated floor Design (Black Scale) Square Android (14.55 x 14.55 cm) with Latex-Free (Black) Velcro Adult Cuff , Latex-Free Coiled Tubing (10'), Spacious Basket on Reverse Side, Riester big ben®. The new standard for aneroid blood pressure managementExact precision that lasts a lifetime• Generously dimensioned scale and high-contrast scale lay-out for optimum readability; scale up to 300 mm Hg • Spacious basket on the reverse side for tubes and cuffs • Latex bulb to inflate the cuff • Non-wearing air-release valve with fine adjustment • Micro-filter to Protect the release valve and measurement system • Specially hardened copper-beryllium membranen, which is resistant to aging, can withstand pressures of up to maximum 600 mm Hg • Precision mechanism mounted on a special support, in order to Ensure complete stability of the measuring system and the zero-point• British Hypertensie Society approved for accuracy