Compared with conventional stone & pipe systems or other alternative and advanced treatment technologies, the Eljen Geotextile Sand Filter (GSF) system offers the largest effective infiltrative surface area in the smallest footprint on the market today. The GSF has received approvals from some states with up to a 70% reduction in the size of the wastewater disposal area as compared to conventional stone and pipe systems. This allows builders to optimize the use of land on developing properties.

Benefits of the Eljen GSF System

Ease of Installation
The Eljen Geotextile Sand Filter Modules are lightweight and can be easily had carried into position. A typical residential system can be installed in half the time of a conventional stone and pipe system.

Site Flexibility
The GSF system can be designed to accommodate a wide variety of soil and site conditions. From sandy to clayey soils, the GSF can be installed in trench or bed configurations, level our sloped terrain, in-ground or mounds, and even curvilinear module rows to avoid rock outcropping or old growth trees.  

Designed for Superior Performance
The unique design of the Eljen GSF reduces the biological soil clogging that occurs in other septic systems by its propriety two-stage Bio-Matt™ pre-treatment process that delivers a better than secondary aerobic effluent to the soil.

Longevity and Reliability
The GSF is time proven with over 25 years in the onsite wastewater industry.  Our high success rate over other technologies is due to the large infiltrative surface area contained in each GSF module. Give your customers the confidence and reliability they require from their septic system. Give them the GSF! 

Environmentally Friendly 
Go Green! The GSF is made from 96% recycled materials which reduces the amount of material that is sent to landfills. Since the GSF is a passive system, you get advanced treatment of wastewater without the power cost that other technologies have.

Cost Savings
With the smallest footprint and superior long-term performance ensure low life cycle cost. Since installations are faster, you save on the cost of equipment operation, thus reducing the wear and tear, while increase equipment service life.

Less Site Disruption
Since the GSF occupies a smaller footprint than other technologies, there is less disruption to the site which preserves beautiful and expensive landscaping.

Technical Service
Whether you are in the field or in the office, our team of knowledgeable professionals are ready to support you with any technical, regulatory, and product information that you require.

Training and Education
Eljen offers both classroom training seminars and field demonstrations to ensure proper system installation, operation, and maintenance of the GSF system for you and your customers.