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The Eljen GSF (Geotextile Sand Filter) is an alternative for onsite septic leachfield systems.
The Eljen GSF (Geotextile Sand Filter) is an alternative for onsite septic leachfield systems. Independent and third party testing is used to assess and confirm the GSF’s performance under a variety of conditions.
Each GSF Module is made up of a geotextile fabric and a plastic core material that work together to provide vertical surface area and oxygen transfer. The GSF System applies treated effluent to the soil, increasing the soil’s long-term acceptance rate. A Specified Sand layer provides additional filtration, and prevents saturated conditions.