The Dynarex Resp-O2™ Large Volume Nebulizer is engineered for safe and effective administration of humidified gas in concentrations ranging from 28 percent to 98 percent. The Nebulizer bottle is constructed from high-quality, break-resistant plastic for optimal durability. The empty Nebulizer Bottle is designed for use with clinician-provided water, offering an economical alternative to pre-filled humidifier bottles. The Nebulizer Bottle is equipped with a Venturi-style entrainment ring with an incremental dial for setting oxygen concentrations. The transparent bottle features clear marking for easy monitoring of water levels.