SPARE MASK ONLY K-NEB Mesh Nebulizer has been developed with pediatricians to be useful and convenient for children. It is a sensitive medical device that enters the respiratory tract (lungs) by drugs, so drug efficacy and safety are the top priority along with being harmless to the human body. We have chosen the best parts, and our product has been tested in various clinical trials including Asan Medical Center in Seoul, and has been verified to be safe and efficacious. This product is an accessory for K-Neb Mesh Nebulizer.