Infiltrator® Introduces TW-Risers™ for Septic Tanks

Old Saybrook, CT, August 13, 2010 --( Infiltrator® Systems introduces 24” TW-Risers™ providing superior strength and durability when used with Infiltrator’s TW-Series line of septic tanks. The TW-Risers feature slip resistant lids, which fasten using stainless steel screws. The lids are further secured by indexing structural ribs that lock the riser pieces into place to ensure a tight water seal.

TW-Risers by Infiltrator are available in green or black and in 6, 12, or 18-inch heights. They are molded of glass reinforced polypropylene for strength. Infiltrator also offers EZset™ by Infiltrator Risers which are available in 20, 24, and 30-inch diameters.

Based in Old Saybrook, Connecticut, Infiltrator has continually introduced innovative products that meet increasingly stringent environmental and regulatory requirements. The company’s integrated solutions continue to be a benchmark for superior performance in products and service within the onsite wastewater treatment industry. The company’s full line of environmentally conscious products include Infiltrator plastic septic leachfield chambers, TW™-Series septic tanks, EZflow™ by Infiltrator Drainfield System, EZset™ by Infiltrator, and Aquaworx™ by Infiltrator advanced treatment technologies, and Blue Diamond Corrugated by Infiltrator, corrugated pipe systems.

For more information about septic system innovation and installation solutions from Infiltrator Systems, visit their website at or call 800.221.4436.

Infiltrator Systems is a Graham Partners portfolio company. Graham Partners is a leading, middle market private equity firm with over $1.5 billion of equity capital under management. Graham Partners seeks to acquire and partner with industrial companies that participate in growth manufacturing niches where it can leverage its unique combination of operating resources and financial expertise.

Infiltrator Systems Inc.
Jennifer Forbes