Monthly Archives: February 2018

Kyowa Filter Units in the news

Surrey river flood defences One of the first uses of Kyowa Filter Units, known in [...]

Kyowa Filter Units supplied for Rampion Offshore Wind Farm project

Since August 2016 Ridgeway has been supplying their patented Kyowa Filter Unit system, known in [...]

Kyowa Filter Units deployed to protect pipeline

Our Kyowa Filter Units, known in the UK as Rockbags, have been successfully used to [...]

Scour protection for Lancashire bridge piers

Our Kyowa Filter Units, known in the UK as Rockbags, have been successfully installed by [...]

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