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In-Drain GSF Geotextile Sand Filter System From Eljen

The Small Non-Aggregate Leach Field System with Big Performance!

When your installation requires extra capacity in less space, GSF In-Drain from Eljen delivers. While conventional systems rely on a single biomat forming at the soil interface, GSF In-Drain adds a second, primary biomat layer on the surface of it's unique Bio-Matt™ Fabric.

Eljen's exclusive folded design provides the maximum treatment surface area in a minimum of space