Salburen Inhaler is a metered-dose inhaler (MDI) containing Salbutamol (also known as albuterol) at a concentration of 100 micrograms per puff. It is designed to deliver 200 metered doses per canister. Salbutamol is a short-acting β2-adrenergic receptor agonist that works by relaxing the muscles in the airways, leading to bronchodilation and making breathing easier.