Generously dimensioned 147.2 mm scale and high contrast scale layout for optimum readability Scale up to 300 mmHg Spacious basket on the reverse side for tubes and cuffs Non-wearing air-release valve with fine adjustment Micro-filter to protect the release valve and measurement system Specially hardened age resistant copper-beryllium membrane can withstand pressures of up to maximum 600 mmHg Supplied with std adult cuff(24-32cm), curly tubing, inflation bulb and chromium plated screw connectors