Gravelless systemGEO-flow corrugated HDP pipe from Advanced Drainage Systems is an advanced gravelless pipe distribution system for equal distribution. The design promotes an oxygen-rich environment for increased biomat activity. With polypropylene grid and geotextile wrapping, the system increases effluent dispersal performance. Its flexibility makes it well designed for contoured applications. Because the system is gravelless and has a lightweight design, it is easily delivered and installed in areas where conventional pipe and gravel systems would be difficult to use. It requires few people, little time and minimal heavy equipment to install. 800/821-6710; www.ads-pipe.comSplitter and valveThe Tru-Flow splitter from Clarus Environmental
