The Sigma II is an ergonomic and user-friendly workstation that hosts numerous features with competitive advantages.With three modes of automatic ventilation (VCV, PCV, SIMV) as standard, as well as Electronic PEEP, the Sigma II is a cost-effective and high-option device that makes a great addition to any operating theatre. The Sigma II is compatible with both adult and pediatric patients, offering a variety of patient-appropriate defaults and ranges.