"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, Contact_us on : [ 1800-419-0492 ]. replacement of the items:- it is recommended to replace the nebuliser kit, the mouth and nose piece, masks and tube every year. Air filters should be replaced approximately every 60 days. Specifically, for the mesh nebuliser, it is recommended to exchange the mesh cap after approximately 1 year."