• Philips Respironics ProChamber valved holding chamber designed for use with pressurized aerosol inhalers • Helps facilitate the administration of inhaled medication by allowing it to be inhaled more gradually and in a controlled manner • Universal design compatible with commonly used metered-dose inhalers • Transparent chamber that allows visual check of its use and status • Compact and portable format, suitable for home use and transport • Reusable product intended to complement treatments via inhaler according to the indications of the healthcare professional