Safety Pressure Relief Valve: A Revolutionary Advance in Anesthesia Safety. This patented pressure relief valve virtually eliminates the danger of over-inflating a patient's lungs. With just a press of the ventilation button, you can instantly restrict the pressure to a safe level, while effectively ventilating the patient.
Normal pressure relief at 20-25 cmH2O using ventilation button
Less than 1cmH2O pressure at full open
Less than 2cmH2O pressure at full closed
Replaces any valve with 3/4-20thread (the industry standard thread size)