WaStop International AB is a subsidiary of Wapro AB. We develop, manufacture, market and sell the WaStop check valve internationally. Marketing and sales of the WaStop check valve is done either directly through WaStop International AB or through subsidiary companies or distributors in specific geographic regions. Please refer to the distributors page if you are looking for WaStop in your specific region.

The climate changes we are experiencing result in more frequent occurrences of extremely high levels of precipitation. Heavy rains and storms are causing flooding and backflow problems in urban areas around the world.