Slow Sand Filtration | SSWM - Find tools for sustainable sanitation and water management!
Sand Filters
Sand Filter System | Speedy Septic | Portland OR & Hermiston OR
Whole Water Systems, LLC
Residential Intermittent Sand Filter Systems | Community Environmental Services
Low Cost Filtration of Domestic Wastewater for Irrigation Purpose
Using coconut husks in a full-scale decentralized wastewater treatment system: The influence of an anaerobic filter on maintenance and operational conditions of a sand filter - ScienceDirect