Disposable: After Each Snotsucking Session, Discard The Used Hygiene Filter And Replace It With A New One Filters: Replace After Each Use To Maintain Suction Effectiveness Of The Nosefrida Better Together: For Seamless Snot Sucking Use These Filters With Frida Baby'S Nasal Aspirator Nosefrida The Snotsucker (Not Included) Safe: It'S Totally Safe (For Parents And Baby), So You Can Say "Sayonara" To Snotty Noses Ncludes: Three Packs, Each With 20 Hygiene Filters. Total Of 60 Hygiene Filters It'S Smart, It'S Swedish, It'S Maybe A Little Strange. It'S The Doctor-Invented Nasal Aspirator What Actually Works! To Use: Place Large Tube Agaist Child'S Nostril (Not Inside), Creating A Seal. Use Red Mouthpiece To Snuck Out Snot. Tips: (1) Spraying Saline Solution In Each Nostril Will Help Loosen Thick Mucus Before Using Nosefrida. (2) Move Tube In A Circular Motion Against Nostril. You Will Hear And See Mucus Coming Out Of Nose. (3) Change Filter After Each Use To Maintain Suction