FridaBaby NoseFrida Hygiene Filters For The Snotsucker Nasal Aspirator pack comes with 20 disposable NoseFrida Hygiene Filters which are clinically proven to prevent mucus or bacterial transfer of germs to the snot sucker when clearing stuffy noses. The filters are made from moisture-absorbing polyurethane and it prevents mucus and bacteria from entering the adult's mouth. Replace hygiene filter after each use to maintain suction effectiveness of the NoseFrida and minimize moisture buildup. The replaceable hygienic filter is clinically proven to be 100% resistant to mucus and bacteria from the adult performing the procedure. FridaBaby NoseFrida The Snotsucker Nasal Aspirator is your go-to natural, hygienic baby booger buster. It's totally safe (for parents AND baby), so you can say "sayonara" to snotty noses. FridaBaby's The Snotsucker Nasal Aspirator safely suck out mucus and clear your baby's nose so they can breathe without obstruction. Since babies can't blow their noses, this tool can be really helpful if you're dealing with a congested or snotty baby.