HomeSpiral Duct & FittingsREDUCERREDUCER Description Description Code Size (mm) SDRCX200-150 200-150 SDRCX250-200 250-150 SDRCX250-150 250-200 SDRCX300-200 300-200 SDRCX300-250 300-250 SDRCX355-250 350-250 SDRCX355-300 350-300 Related products COUPLING BEND 45° SPIRAL DUCT