Ventolin Evohaler is a metered-dose inhaler containing Salbutamol, delivering 100 micrograms per actuation. This inhaler provides 200 doses and is manufactured by GSK for the treatment of asthma and other respiratory conditions. The Ventolin Evohaler contains the active ingredient Salbutamol, which belongs to a group of medicines called bronchodilators. It comes in an inhaler device that delivers precisely measured doses of medication. Each actuation provides 100 micrograms of Salbutamol, with the inhaler containing 200 metered doses in total.