The AeroChamber Plus Flow-Vu with Large Mask is a medical device designed to help deliver inhaled medications more effectively. This spacer device features a large-sized mask attachment suitable for adults and older children, helping to ensure proper medication delivery. The AeroChamber Plus Flow-Vu is a valved holding chamber (spacer) that works with metered dose inhalers to improve medication delivery to the lungs. The large mask size is designed to create a proper seal around the mouth and nose. As this is a medical device, please consult your healthcare provider for proper usage instructions.