How to use a Puffer (Metered Dose Inhaler) with Spacer (Valved Holding Chamber)

This video discusses the proper use of the puffer (metered dose inhaler) with spacer (valved holding chamber) device. The metered dose inhaler (MDI) is an asthma medication delivery device that sprays out a puff of medicine that your inhale.

[@danielwilliams8105]

Nice video. You should also watch Use-inhalers' video "How to use MDI with Spacer". It demonstrates step by step.