Black Swan's 4" Flange & Gasket is a 100% pure wax gasket for setting floor outlet toilet bowls with 4" waste lines. This ring has a plastic flange which extends the discharge opening for an improved seal and to assure proper bowl alignment. For certain locations throughout the United States, local codes require the plastic flange to fit 4" openings only. Meets Federal Specification TT-P-1536A.

The No. 04546 4" Flange & Gasket includes two 1/4" X 2-1/4" brass bolts, four brass plated nuts and four brass plated washers (No. 12167 Bolt Kit) in the package.