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Gravisand® Sand Filter Systems
Industry leading filtration system for wastewater effluent polishing
![](/siteassets/images/products/filtration/davco-cbs-p-product.jpg?width=450&quality=80)
Davco™ Continuous Backwash Sand Filters
Ultimate reliability in gravity filtration for tertiary nutrient removal.
![](/siteassets/images/products/filtration/davco-hydro-clear-product.jpg?width=450&quality=80)
Hydro-Clear® Sand Filter
Pulsed-bed sand filtration for ultimate reliability and compliance
![](/siteassets/images/products/filtration/davco-nxclear-filter-product.jpg?width=450&quality=80)
TES & NxClear® Dentrification Filter
Traditional deep-bed, down-flow media filter for low discharge limits