Genova 102136BC 800 Series Reducing Tee, 4 Inch x 4 Inch x 3 InchUse when connecting a reducing branch line into a vertical drain pipe. Highlights: Nominal Size : 4 inch x 4 inch x 3 inch Material : ABS End Style : Hub Series : 800 Length : 22 in Schedule Rating : SCH 40 Standards : ASTM D2661 Specified NSF Certified Used when connecting a reducing branch line into a vertical drain pipe WARNING: This product can expose you to chemicals including Styrene which is known to the State of California to cause cancer and