Des-Case is a high-capacity extended series breather has COLORASSIST™ technology, a proprietary color indication , for high airflow breathers with check-valve technology and a honeycomb oil mist reducer. High-capacity desiccant provides 30% more service life than color indicating silica gels. The Colorassist™ technology indicator is an enhanced color indicator that accurately gauges the remaining life of the breather, diagnoses the source of moisture contamination and improves in-use visibility.