The AeroChamber Plus with Flow-Vu is an anti-static valved holding chamber with a large mask designed to help deliver inhaled medications more effectively. This medical device assists in proper inhalation technique and is recommended by physicians and pharmacists. The AeroChamber Plus features an anti-static chamber design that helps ensure consistent medication delivery. The Flow-Vu indicator provides visual feedback to confirm proper inhalation technique. The large mask size is suitable for adults and provides a comfortable seal around the mouth and nose during use. As a medical device, please consult healthcare professionals for proper usage instructions.