Eljen GSF Geotextile Sand Filter is a small non-aggregate leachfield system with big performance!

• Pretreats Effluent with a 2-Stage Biomat
• Greater Long Term Leaching Capacity
• Mount or in-ground installations
• Level or sloped sites
• Trench or bed layouts
  
• Requires a much smaller installation area
• Lower Site Impact
• No Stone Required... Less Offsite Fill
• Lightweight Recycles Materials
• Thousands of Installations
• Patented Products & Technology
• Approved in New York and New Jersey

Specifications & Guidelines	Installation Video
Sizing Specifications	Part 1 - Introduction
Installation Guidelines	Part 2 - Preparing the Site
Why Design and Install an Eljen GSF?	Part 3 - Installing the Modules
Click here to see how the Eljen GSF works	Part 4 - Covering the System

Below are pictures on how the Eljen GSF Geotextile Sand Filter is installed - this project was in Upstate New York.