The Laerdal LCSU 4 Compact Suction Unit (300 mL) delivers powerful, highly portable emergency airway suctioning in a lightweight, field-ready design. Engineered for rapid deployment by first responders, emergency medical service (EMS) personnel, and hospital transport teams, this portable suction device provides variable vacuum control ranging from 50 to 550 mmHg to clear patient airways quickly and safely. Featuring an integrated, snap-in 300 mL canister system that eliminates the need for external suction tubing between the pump and container, the LCSU 4 minimizes setup time, mitigates cross-contamination risks, and maintains a compact operational footprint.