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- The Zurn Z100 15" diameter roof primary drain has a Dura-Coated cast iron body with combination membrane flashing clamp/gravel guard and low silhouette Poly-Dome.
- 15" diameter primary roof drain
- Clamping collar and low silhouette Poly-Dome
- Nominal Size15 inManufacturerZurn Elkay Water SolutionsManufacturer #Z100-3NLMaterialCast Iron / PlasticSeriesZ100Size15 in