An emergency requiring CPR can occur anytime, anyplace, to anyone. It's good to know the Laerdal« Pocket MaskTM can always be there when you need it. Small enough to fit in your pocket, it can be carried with you at all times. The Pocket MaskTM product combines a low-resistance one-way valve with a disposable 3MTM FiltreteTM hydrophobic filter to help prevent the passage of liquids and secretions. Valve and filter act as barriers separating rescuer and patient. Transparent dome allows rescuer to check patient's lip colour and secretions. Can be used on adult, child and infant. Easy cleaning for re-use. Oxygen inlet version facilitates delivery of supplemental oxygen and includes latex-free head strap. The Pocket MaskTM includes mask, one-way valve, filter and a sturdy compact case. Replaceable, disposable one-way valve and filter.