Braun Manual Nasal Aspirator 1 Filters, BNF020EU,ABSORBANT – For clean, convenient and hygienic use of the aspirator that prevents cross-contamination,DISPOSABLE: Simply replace after every use and dispose of the used filter, FAST AND EASY TO USE: Makes caring for your child hassle-free, SAFE AND HYGIENIC: The single-use filters absorb and collect the mucus in the front of the device ensuring hygiene and safety,20 FILTERS: No need to run out, you can always be ready. Only for use with Braun Manual nasal aspirator 1 BNA050EU (not included).