Able Spacer - Able Spacer from Clement Clark is a small volume spacer for use with metered dose inhalers (MDI) to improve the MDI technique aiding aerosol delivery and compliance. Suitable for most inhalers such as Salbutamol, Beclomethasone etc. Small holding chamber (135ml) - Can be used with face mask (available on Small (Infant), Medium (Child) & Large (Adult) sizes - contact us for details of masks) - Suitable for tidal breathing.