Nosefrida hygiene filters 20pcs clears nasal passages with gentle suction. These filters help to loosen chest and sinus congestion. The hygiene filters are safe to use and causes no injury to you or your child. It is effective and hygienic. It is clinically tested. The disposable filters are clinically proven to prevent mucus or bacterial transfer. 
 
Safe to use and causes no injury to you or your child