In-Drain GSF Geotextile Sand Filter System From Eljen

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

• Pre-treats Effluent with a Two-Stage Bio-Matt™

• Greater Long Term Leaching Capacity

• Requires a Much Smaller Installation Area

• Lower Site Impact

• No Stone Required...Less Offsite Fill

• Lightweight Recycled Materials

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