ProductsSafety & SecurityRespiratory SafetyConfined Space VentilationC.H. Hanson®20"x 25' w/ QUICK CONNECT DUCT, FLEXIBLEItem #CHH83120Please Login to Order or View DetailsRequest InformationEmail Product LinkSpecificationsBrandC.H. Hanson®ColorYellowDuct Diameter20"FeaturesFlame RetardantLength25'MaterialVinyl Woven PolyesterProductBlower Duct