Using an Aerochamber Plus Chamber with your inhaler helps ensure your child’s medicine is delivered where it is needed. The chamber comes with a dedicated FLOW-VU inhalation indicator, which provides parents with visual assurance of correct use and medication delivery. An anatomically shaped facemask contours gently to the child's face. This spacer is designed specifically for children (0-18 months) and is equipped with an extra sensitive, low-resistance inhalation valve. Fits all commonly prescribed metered dose inhalers.