The Laerdal 510404 LSR Intake Membranes are designed for use in Laerdal resuscitation systems to support proper airflow regulation during manual ventilation. These membranes ensure efficient intake function and help maintain consistent device performance in critical care situations. Manufactured from durable medical-grade materials, they are suitable for clinical, emergency, and training environments. This replacement component is essential for maintaining the reliability and safety of resuscitation equipment.