NDS 903 Styrene Downspout Adapter, 2-Inch by 3-Inch by 3-Inch, White Solvent Made to ASTM specs and sizes range from 3" to 8" We also carry schedule 40 adaptors NDS 903 Styrene Downspout Adapter, 2-Inch by 3-Inch by 3-Inch, White Solvent