The hydrasense protective filters are specifically designed to be used with the hydrasense nasal aspirator to ensure hygienic aspiration and help prevent the transfer of mucus. Used in conjunction with the hydrasense nasal aspirator, liquefies mucus and snot and removes the mucus effectively relieving baby nasal congestion and nasal cold symptoms – helping your baby breathe better. Hydrasense protective filters are designed to be used with the hydrasense nasal aspirator. Because infants cannot blow their own nose, substances such as dust, pollen, bacteria, and smoke build up in nasal secretions, and nasal congestion may increase the risk of upper respiratory tract, ear, and sinus infections. This excess mucus/snot can be eliminated by cleaning the baby’s nose daily, which also helps the baby breathe more easily. To be sure this product is right for you, always read and follow the labelcontains: 40 single use filters.should you require consultation with a pharmacist, you may contact our well.ca pharmacist. Please read the label, warnings and inserts provided by the manufacturer and consult your healthcare professional when purchasing medications or natural health products to be sure the product is right for you.