110mm Vertically Assembled Anti Flooding Backwater Drain Check Valve Backflow Prevention

A backwater valve mounted on a vertical drain pipe is a comfortable; Cheap and often the only way of protecting a building against flooding; Installed onto sewer pipes; Vertically mounted operate automatically and reliably, protecting facilities against flooding; The possibility of mounting on a vertical pipe means no need for conversions and lower costs; Diameter: 110mm; Mounting: vertical., Weight: 2.20462262 Pounds, Manufacturer: Karmat