Green Filter USA www.greenfilterusa.com +1 724 430 2050 2152 University Dr, Uniontown, PA, 15401, USA Green Filter USA www.greenfilterusa.com +1 724 430 2050 2152 University Dr, Uniontown, PA, 15401, USA Green Filter USA traces its roots to 2001 when it’s Founder Mark German utilized his racing experience, parts manufacturing expertise, and genuine passion for improving vehicle performance to bring easy to capture “horsepower” to the engine performance community by offering an air filter that outperformed those available. His goal was to provide a performance filter that would become highly accepted and sought after by racing professionals and leading engine performance engineers and builders of high performance vehicles. Contact Us Facebook page YouTube Instagram Contact Us Facebook page YouTube Instagram Latest News