Omron NE C28 Compressor Nebulizer For Child and Adult With Virtual Valve Technology Ensuring Optimum Medicine Delivery to the Raspiratory System Omron Compressor Nebulizer system is developed for the efficient management of asthma, chronic bronchitis, allergies and other respiratory disorders. 3 years extended brand warranty from date of purchase.T&C: To claim warranty, original invoice is mandatory Toll free number 1800-419-0492