Watts RD-304-D-K - Part of the RD-300 Series mainline-siltfence 75% bottom slope) to ensure

75% bottom slope) to ensure efficient drainage in a clean

it efficiently blocks sediment to protect rivers and lakes

NOTE: This product has replaced the StrataGrid SG500

21″ deep

The various fabric thickness options help to meet the needs for water flow rates and strength of fabric for your job

Watts RD-304-D-K - Part of the RD-300 Series mainline-siltfence 75% bottom slope) to ensureThis Watts drains epoxy coated, cast iron, high volume roof drain features a flashing clamp with an integral gravel stop, a self locking ductile iron dome, 137 square inches of free area, an underdeck clamp and a 4 inch no hub outlet. Features Cast iron Ductile iron dome 4 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 4 IN Outlet