Denuders Our Parallel-plate Carbon Filter Denuders remove semi-volatile organic carbon vapors. Without Denuders, absorption artifacts will be present on a following quartz filter. Request a Quote Download PDF Contact Us Product NameModel-4 Field AnalyzerLab Aerosol AnalyzerDenudersQuartz FiltersSample AnalysisOther IndustryAviationWeatherMiningAcademic TALK TO A SUNSET LABORATORY REPRESENTATIVE 503-624-1100 | info@sunlab.com