[[Image:granular filtration icon.png|right]]
[[Image:granular high density carbon.jpg|thumb|right|250px|Granular, high-density carbon.]]
[[Image:filter sand.jpg|thumb|right|250px|Filter sand, supplied in bags and pallet packages. It consists of 99.5% SiO2 and is extremely low in trace metals and polycyclic aromatic hydrocarbons. This makes our filter sand the best sand available for monitoring well systems. Photo: [http://en.eijkelkamp.com/products/water/hydrological-research/groundwater-monitoring-pipes/filter-sand/filter-sand.htm Eijkelkamp Agrisearch Equipment BV.]]]
The filter sand, consisting of 99.5% SiO2, is extremely low in trace metals and polycyclic aromatic hydrocarbons. This makes our filter sand the best sand available for monitoring well systems.
====Granular media, rapid rate filters and filter media====
[[Image:granular high density carbon.jpg|thumb|right|250px|Granular, high-density carbon.]]
[[Image:filter sand.jpg|thumb|right|250px|Filter sand, supplied in bags and pallet packages. It consists of 99.5% SiO2 and is extremely low in trace metals and polycyclic aromatic hydrocarbons. This makes our filter sand the best sand available for monitoring well systems. Photo: [http://en.eijkelkamp.com/products/water/hydrological-research/groundwater-monitoring-pipes/filter-sand/filter-sand.htm Eijkelkamp Agrisearch Equipment BV.]]]
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