The Sludge Mate container filter from Flo Trend Systems is designed to provide a simple one-step process for dewatering a variety of sludges. It has no moving parts and requires minimal labor and maintenance, according to the maker. The Poly-Mate Polymer Mixing and Injection System conditions incoming sludge. Sludge is then pumped into the unit’s inlet manifold through the Mix-Mate manifold. The Poly-Mate prepares sludge for ease of dewatering and clarity of discharged fluid. It dewaters alum and wastewater treatment plant sludge, septic tank and grease trap waste, lagoon sludge, slaughterhouse waste, wastewater residual, sump bottoms and industrial waste. 800/762-9893; www.flotrend.com.