This TKO 4 inch hub, flush to floor PVC total knockout closet flange offers easier installation, and there's no need to hold knockout while hammering. Strong, corrosion-resistant stainless steel ring eliminates cracked flanges.
4 inch hub connection
4 inch hub connection
Knockout will not break apart / cannot fall down drain pipe
Strong, corrosion-resistant stainless steel ring eliminates cracked flanges
Holds five floors (22 PSI) for head test
Easier installation, no need to hold knockout while hammering