Catch basin inserts (like the Ultra-Drain Guard) are very effective and work well in many applications. In known ''hot spot drains, however, something with more filtering capability may be necessary. Because these drains are more likely to encounter more concentrated contamination in stormwater, dedicated filter media can help in reducing pollutants. The Ultra-HydroKleen is considered a ''true filter by the EPA and forces water through up to three different filters before it exits into the stormwater system. Mix and match filter media depending on your specific needs. HydroKleen is the only catch basin filter that allows you to use more than one type of filter media.
