Biomedical Barrier: The flexible plastic skirt drapes over the patient’s face to prevent direct skin, saliva, and fluid contact between the rescuer and the patient.
One-Way Valve: Most variants feature an integrated one-way valve that allows air to enter the patient but blocks exhaled air, vomit, or blood from reaching the rescuer.
Extreme Portability: The lightweight device folds down into a tiny square, often sold in small keyring pouches for on-the-go access.
Single-Use: It is strictly disposable to eliminate cross-contamination and the need for chemical disinfection.
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