Watts RD-305-K - Part of the RD-300 Series Geotextile It features an epoxy-coated cast-iron

It features an epoxy-coated cast-iron body

and bottom outlet

Both options provide a high level of corrosion and rot resistance in below and above ground installations

A self-locking polyethylene dome protects the drain from debris

SKAPS GT-131 is a needle-punched nonwoven geotextile made of 100% polypropylene staple fibers

Watts RD-305-K - Part of the RD-300 Series Geotextile It features an epoxy-coated cast-ironThis Watts Drains 15 inch round, epoxy coated cast iron, high volume roof drain features a flashing clamp with integral gravel stop, a self locking ductile iron dome, a 5 inch no hub outlet, 137 square inch free area. Features Cast iron Flashing clamp Self locking dome 5 inch no hub Specifications Body Material Cast Iron Brand Watts Buy American Act Compliant NO FreeArea 137 IN Lead Free Not In Scope Outlet Connection Size 5 IN Outlet Connection Type