Alpenfoumlhn wingboost2 the first generation of wingboost fans already proved itacutes exellent performance in various reviews with the new aerodynamically improved wing geometry we could not only increase the airflow but as well inprove the static pressure at lower noise wb2 technology many users ask themselveshellipwhat are wingboostacutes wingboostacutes are ridges on the impeller that guide the air on the air inlet side of the impeller using the wingboost 2 technology air turbulen