This headbox is more compact & more efficient. This advanced model of Headbox named S4 is the result of more than 40 years of development and experience in hydraulic headbox, especially in graphic grades, containerboard, and specialty grades. With a significant number of references installed and successfully started up in all parts of the world, Allimand has earned its strips in 100% hydraulic pulp distribution system. ALLIMAND team is providing to its customers the know-how and the support to develop future specialty grades.