fee brothers grapefruit bitters 5oz fee brothers the bold citrus taste of grapefruit combines with the spice flavor of bitters to create a unique and refreshing cocktail ingredient. this exclusive bitters creation by the cocktail mix masters at fee brothers is a must-have for cocktail enthusiasts and creative bartenders. opened in 1863, fee brothers of rochester, new york, is in its fourth generation of manufacturing top quality cocktail mixes, bitters, flavoring syrups and other beverage ingredients. in stock and ready to ship. features: unique fruit flavor of bitters. specs: dimensions: 1 3/4"w x 6 3/4"h. capacity: 4 oz.