Additional Details ------------------------------ Product description: Using the Arianna Baby-Vac: Place the child or infant in a sitting / upright position. We recommend to hold the child in your lap until he/she feels comfortable with this apparatus. Position the evacuator (A) so that it should fully seal one of the nostrils and hold it there for a couple of seconds while observing the discharge being deposited in the collecting cylinder. (B) You may gently rotate the evacuator in a circular motion. Repeat this process in the same or/and the other nostril daily or as needed. Sterilization: Clean the units before and after each use by washing it with hot soapy water, and with the cleaning brush included. Rinse with hot or warm water. Do not use any detergents, chemicals or abrasive materials on it. Assembly: Insert the evacuator (A) into the collecting cylinder (B) Turn on your household vacuum cleaner. Insert the vacuum cleaner adapter (C) into the attachment hose on the vacuum.