Changes

* The list of manufacturers and test results (''Sediment Removal rates'')  of all OGS products and other verified technologies can be viewed and downloaded here (updated as of January 2024): <br>

* The list of manufacturers and test results (''Sediment Removal rates'')  of all OGS products and other verified technologies can be viewed and downloaded here (updated as of January 2024): <br>

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