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Line 54: − + + + + + + + − + + − + − + − + + + + − *[https://www.enviropod.com/products/littatrap Littatrap]+ − *[http://www.bmpinc.com/ Snout]
→Overland sheet flow
*[[Gravel diaphragms]]
*[[Gravel diaphragms]]
*[[Vegetated filter strips]]
*[[Vegetated filter strips]]
A gravel diaphragm typically requires less setback between the catchment and the BMP. Where space permits, these three designs can be used in combination to even greater effect!
*Concrete sump pre-treatment device
A gravel diaphragm typically requires less setback between the catchment and the BMP. Where space permits, these designs can be used in combination to even greater effect!
==Concentrated overland flow==
==Concentrated overland flow==
* [[Level spreader]];
* [[Level spreader]];
*[[Pretreatment features| Forebays]] (well suited for bioretention cells);
*[[Pretreatment features| Forebays]] (well suited for bioretention cells);
* [[Stone]] and geotextile filter: A shallow excavation on the filter media bed surface at the inlet, lined with geotextile and rip rap or decorative stone cover; and,
* [[Stone]] and [[geotextile]] filter: A shallow excavation on the filter media bed surface at the inlet, lined with geotextile and rip rap or decorative stone cover; and,
*[[Sand filters]] (well suited for underground [[infiltration]]).
*[[Sand filters]] (well suited for underground [[infiltration]]).
!style="width: 25%;"|ETV products
!style="width: 25%;"|ETV products
!style="width: 25%;"|Other products (not verified)
!style="width: 25%;"|Other products (not verified)
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!Catch basin inserts
|Great for improving water quality in retrofit situations
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*[http://www.cbshield.com/ CB Shield]
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*[https://www.enviropod.com/products/littatrap Littatrap]
*[http://www.bmpinc.com/ Snout]
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!Manhole baffles
!Manhole baffles
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!Cartridge filters
!Isolated chamber row filter
|Separate rows at inlets, not connected by pipes to the other chambers, that isolate the bulk of sediment and associated pollutants and designed for ease of access by jet flushing cleaning equipment.
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*[https://cultec.com/products/separator-row/ Cultec Separator Row]
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!Membrane filters
|Uses advanced membrane technology adapted from water treatment plants.
|Uses advanced membrane technology adapted from water treatment plants.
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*[http://www.imbriumsystems.com/stormwater-treatment-solutions/jellyfish-filter Jellyfish filter]
*[http://www.imbriumsystems.com/stormwater-treatment-solutions/jellyfish-filter Jellyfish Filter]
*[https://biocleanenvironmental.com/kraken-filter Kraken Filter]
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!Catch basin inserts
!Media filters
|Great for improving water quality in retrofit situations
|A variety of proprietary designs and media mixes are available.
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*[http://www.cbshield.com/ CB Shield]
*[http://www.imbriumsystems.com/stormwater-treatment-solutions/filterra Filterra]
*[https://www.hydro-int.com/en/products/flo-filter Up-Flo Filter]
*[https://baysaver.com/products/bayfilter/ BayFilter]
*[https://www.conteches.com/stormwater-management/treatment/stormwater-management-stormfilter StormFilter]
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