This. It's yer bog standard asthma inhaler. Be interesting to know what Froome's reading translated into, in terms of inhaler puffs. Suspect it wasn't that high.
Be interested to know how the detected levels of salbutamol translates into puffs from a bog standard asthma inhaler. Which is normally how salbutamol is delivered. It's a tricky one. Asthma can be triggered by pollution, pollen, cold air etc. i.e. many of the things Froome would have...