Sioux Chief TKO 3×4″ Flush To Floor PVC Total Knockout Closet Flange. This TKO 3 inch hub/inside 4 inch, flush to floor PVC total knockout closet flange offers easier installation, and there’s no need to hold knockout while hammering. The knockout will not break apart or fall down the drain pipe, and it holds five floors (22 PSI) for head test.
- 3 x 4 in.
- Flush to floor
- Made of PVC
- Easier to install







