A line of PVC gasketed sewer fittings is available from Plastic Trends, Inc. The fittings, called STI, combine the latest in research and development, featuring the best of today's Science, Technology and Innovation. Features include a specially formed raceway for enhanced gasket retention and an extended pre-alignment entrance that aids in proper alignment of pipe and fittings. In addition to scientifically formulated resins, square pipe stops resist pipe push-through, while extra heavy support is provided under the pipe stop at branch intersections for added strength. STI Gasketed Sewer Fittings are injection molded in 4"-12".Plastic Trends, Inc.
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