pan4dPAN 40 Tablet is used in the treatment of Acidity,Heartburn,Gastroesophageal reflux disease (Acid reflux),Peptic ulcer disease,Zollinger-Ellison syndrome. View PAN 40World sensation: Pan Acoustics unveils the world's longest speaker at ISE 2025! What a surprise! On the first day of the Integrated Systems Europe trade fair in Barcelona, we presented