Mar 25, 2022 · Ontario, CA Custom Manufacturer* $1 - 4.9 Mil 1996 10-49. Custom manufacturer of black siphon pipe made from rrosion resistant high density polyethylene (HDPE). Tubes are available in dia. ranging from 1 in. to 3 in. Available with single, double and triple bends depending upon channel design, field length and direction of the slope.