160 Branch, 500 Stack DFU Sure-Vent, 3" x 4" ABS Sch. 40 Adapter39224 160 Branch, 500 Stack DFU Sure-Vent, 3" x 4" ABS Sch. 40 Adapter
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Need replacement parts for this unit?
- Complies to ASSE Standard 1050 and 1051
- For use as a secondary vent
- One size approved to handle up to 4" vent pipe
- Opens/closes as needed by building's plumbing system
3" x 4"
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