14-9/32" [363mm] Diameter Siphonic Roof Drain with Dura-coated ductile iron drain body, membrane flashing clamp, and low silhouette polydome. Complete with vandal-proof secured, Dura-coated cast iron airrestricting baffle and grate, and Top-Set® deck plate. Siphonic drains use smaller sized pipe to ..
15" [381mm] Diameter Roof Drain. Dura-Coated cast iron body with combination membrane flashing clamp, gravel guard and low silhouette Poly-Dome. Available for pipe sizes 2" through 8" diameter.Product Data SheetRoof Drain Engineering Guide..