Syphons, commonly known as "seltzers", are glass bottles with the function of dispensing soda water. These items were widely used in the most fashionable Italian bars in the 1950s to make popular cocktails of all kind. This specific advertising seltzer in transparent glass is particularly rare due to its blue and red Bitter Campari Milano logo showing Milan's coat of arms.
Campari is an Italian alcoholic liqueur, considered an aperitif obtained from the infusion of herbs and fruit in alcohol and water. Campari is an essential ingredient in some of the most famous Classic cocktail such as Negroni, the Americano.