https://www.acehardware.com/departments/plumbing/parts-and-repair/flanges/4028219
IPS Techno Flange PVC Toilet Flange 3 or 4 in. Mfr# 86177 - Ace Hardware
3 in. x 4 in. Techno, PVC Closet Flange, With Adjustable Stainless Steel Ring and Knock Out, Test Cap. features a unique inset test cap that cannot be damaged...