Oatey 43495 Pipe Fittings, 3 x 4-Inch, White Versatile and effective Convenient and easy to use Durable and long lasting Horizontal mounting slots accommodate urinals with 3 1/2-Inch to 7-Inch mount centers Kit includes all bolts, nuts, washers and gaskets The flange fits over 2-Inch Sch. 40 DWV pipe (Prod No. 43540 and 43541) 3-Inchx4-Inch flange fits inside of 4-Inch or over 3-Inch Schedule 40 DWV pipe