Techno Flange with Metal Adjustable Ring
Details:
- One piece Knockout will not fall down drain line
- Knockout breaks out in one piece
- Inset test cap cannot be damaged by construction equipment
- Beveled hub design allows easier insertion into 4" foam core pipe
- FLUSH-TITE design allows flush installation inside 4" pipe
- Fits 3" or 4" sch. 40 DWV pipe