In business since 1907, Nowata Filtration and ProGuard Filtration Systems specialize in the custom design of of quality industrial filtration products. Custom desingned specialized filtration systems are available for specific-need customers, as well as a broad selection of permanent and disposable cartridge and bag filter media for liquid and gas filtration. They serve not only the oil & gas production market but provide general industrial, chemical, and petrochemical filter solutions.