C481 Aluminum Flashing Boot C481 Supply Full Set Roof Drainage And Floor Drainage Products In 1 Stop. Include Cast Iron Soil Pipe And Fittings, Flexible Coupling, Heavy-Duty Coupling, Roof Drain, Roof Outlet, Retrofit Roof Drain, Floor Drain, Area Drain, Floor Sink, Downspout Boots, Downspout Nozzle And Flange, Fasteners, Plumbing Hangers, Riser Clamps, Deck Screws, Stress Plates And Reciprocating Saw Blades.