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ULTRA FLO Storm Sewer Pipe Manning’s
It has a long history of proven performance on municipal, transportation, airport, shopping center and residential development storm sewer projects. ULTRA FLO’s rapid acceptance is based on its Manning’s “n” of 0.012, structural strength and faster/lower-cost installation than concrete pipe. Plus, ULTRA FLO is available in a wide variety of materials to meet environmental and service life requirements.