The replacement set for the IH 21/26/26 Kids inhaler. -1 x nebulizer with compressed air hose -1 x mouthpiece -1 x nosepiece -1 x adult mask -1 x children's mask -10 x filters -Medical device -The baby mask is suitable for babies and toddlers aged 0-3 years. The children's mask is suitable for children from 2 years of age. -Depending on the face shape/size, however, it may vary from when which mask is suitable. When inhaling with a mask, it is important to ensure that the mask fits snugly and that the eyes remain uncovered. -For babies and children, the mask should cover the mouth and nose to ensure effective inhalation. -Note: Children should only inhale under the supervision and with the help of an adult and should not be left alone during inhalation. -Nebulization next to sleeping persons is not advisable as not enough of the medication can enter the lungs.