Check the listing for details. Infant Neo-Test Lung Pro. Condition: New. Listed at 56.00 USD. Infant Test Lung Our Best Seller! Designed to simulate the respiratory system of the newborn baby. Made of High quality durable Silicone for a life-like smooth replication of lung expansion. ISO manufacturing and connector for a guaranteed leak-free fit and function. Ideal for spot checks and to verify ventilator and resuscitator function. We inspect and test our test lungs to guarantee the best quality to price ratio in an infant-style test lung (wholesale pricing). Beware of cheap infant test lungs with thin bags that may have pinholes or leaks from poor assembly. Thin test lungs may expand with little pressure and will not represent normal lung compliance and can be noisy during operation (pops and whistles). Note: larger quantities available upon request. Respiratory Therapist Approved.