TOPP’s Fiberglass Basins are made with the highest quality material and testing standards currently in the market. Our chop-hoop filament wound tanks are made in 18”, 24”, 30”, 36”, 42”, 48”, 60”, 72”, 96” & 120” diameters. TOPP’s combination of innovation, service and technology is why TOPP has been the number one choice for environmental and economic solutions in the sewage, sump and wastewater markets for over 35 years.
