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Slides inside of 4"" cast iron or Schedule 40 DWV plastic pipe.
3"" stainless steel bolts are tightened from the finished floor.
No caulking required.
Compression joint allows up to 3"" of adjustment to the riser.
Replaces broken cast iron closet flanges
Installs easily without tools
No need to tear up existing floor
Smooth unrestricted flow design
Oatey 43538 ABS Cast Iron Flange Replacement 4-Inch B001D9QN8A