Watts RD-303-D-K - Part of the RD-300 Series Z100F-4NH They have a built in

They have a built in overflow design unlike any other curb inlet protection

ZN451B-2NH-B-G

The reinforced scrim provides excellent tear resistance

Safely manage excess surface water and protect hardscapes from flooding and damage with the 5 in

Watts RD-303-D-K - Part of the RD-300 Series Z100F-4NH They have a built inThis Watts Drains epoxy coated, cast iron, high volume roof drain features a flashing clamp with an integral gravel stop, a self locking nickel bronze dome, 137 square inches of free area, an underdeck clamp and a 3 inch no hub outlet. Features Cast iron NB dome 3 inch no hub Gravel stop Specifications Body Material Cast Iron Brand Watts Buy American Act Compliant NO FreeArea 137 IN Lead Free Not In Scope Outlet Connection Size 3 IN Outlet Connection