Watts RD-306-K-R - Part of the RD-300-R Series Strata Systems Its 21″ wide throat accommodates

Its 21″ wide throat accommodates high flow volumes

- Formed Size: 12" Diameter x 9" Deep or 8" x 14" Oval x 9" Deep

Constructed from Dura-coated cast iron

Enhanced Durability – Constructed with thick walls and reinforced side ribs for added structural integrity

Watts RD-306-K-R - Part of the RD-300-R Series Strata Systems Its 21″ wide throat accommodatesThis Watts Drains epoxy coated, cast iron, overflow roof drain features and flashing clamp with an integral 2 inch high external water dam, a self locking ductile iron dome with 137 square inches of free area and a 6 inch no hub outlet. Features Cast iron Ductile iron dome 6 inch no hub External water dam Specifications Body Material Cast Iron Brand Watts Buy American Act Compliant NO FreeArea 137 IN Lead Free Not In Scope Outlet Connection Size 6 IN