Sioux Chief 884-PTM TKO™ 3" Hub / 4" Inside-Fit PVC Closet Flange w/Knockout, Stainless Steel Swivel Ring

• Patent #5,377,361
• Proven performance, improved design
• Knockout will not break apart and cannot fall down drain pipe
• Holds five floors (22 PSI) for head test

 

Spec Sheet