A2A Spacer And Small Mask Features: - Collapsible, pocket sized valved holding chamber - Inhibits microbial growth - Visible valve movement - Low-static properties - Accepts all PMDIs available - 210ml, consistent with optimal performance - Easy to clean - Embossed graphical instructions - Available with or without mask - Suitable for both children and adults - Supplied in an anti-static protective bag A2A Spacer is a collapsible valved holding chamber, which is pocket-sized when collapsed for improved portability. A2A is made from anti-microbial, low-static, transparent plastic for improved hygiene. The device's plume shaped chamber of 210ml helps to minimise drug loss within the spacer. A2A Spacer has been designed with a visible valve movement to help parents or carers observe and confirm correct inhalation to overcome inhalation/actuation problems. What is this product used for? A2A Spacer is designed to help deliver medication from a pressurised metered dose inhaler (pMDI) to the lungs, by improving co-ordination and medication deposition.