Product Overview Flue seal DN 80, De Dietrich 09270, DPSM 10-30, DPSM 3-35, 3-50, DPSM 215 C DPSM 10-30, DPSM 3-35/3-50, DPSM 215 C, DPSM 220 / 235 / 250, DPSM 3-35/3-50 Manufacturer No.: 09270