ADC's desktop mercury blood pressure unit features a contemporary design with oversized numerals for easy reading. EZ-Tube system allows for safe, simplified maintenance of cartridge tube and cap filters. Graduated unbreakable plastic cartridge tube features a massive 5.00mm inside bore for unrestricted, friction-free mercury flow. Additional safety is provided by the locking reservoir which secures mercury for transport or maintenance. Upright design includes a weighted base and integral wire inflation system basket.