1.5 inch anti-uv high density polyethylene board direct factory. Meets AWWA C901/C906, ASTM D2239, ASTM D2737, ASTM D3035, ASTM F714, Cell Class Per ASTM D3350, PPI Listed Material (TR-4) PE 4710, and ANSI/NSF-14. JM Eagle's high-density polyethylene water and sewer pipe is available in 3/4-inch to 63-inch diameters. custom 1.5 inch high ...