The main purpose of a sand filter is to collect stormwater, rid it of pollutants, and then discharge the water into the storm sewer system. First, water is routed from an impervious surface to the ...

After more than three years of President Vladimir Putin’s misguided war Russia is currently experiencing a shortage of the materials necessary to manufacture sufficient ERA to protect both new-build ...

Upfront costs are higher with DE filters. But, Wells says, “They make up for it in their ability to provide better filtration ...