The Disposable PEEP Valve Assembly from Laerdal is a one-time-use add-on compatible with all Laerdal brand resuscitators. It allows healthcare providers to apply and regulate the level of PEEP (Positive End-Expiratory Pressure) therapy for a patient. The PEEP Valve connector adheres to the standard 30 mm ID size, 5-20 cm / 1.9-7.9 cm H2O.