contracor wbn water blast nozzleThe Contracor WBN is a powerful water injection blast nozzle for wet blasting. By injecting water directly at the blast nozzle, dust formation during blasting is significantly reduced. This makes the WBN highly suitable for blasting work where dust control, efficiency and a cleaner working environment are important. The WBN is suitable for cleaning steel, stone and concrete and can be used for intensive surface treatment up to cleaning grade SA 3. 0.