- Brand: AB&A™Dimensions: 3-1/2 in HDomestic/Import: Domestic
- Automatic relief valve for sewer cleanout riser
- Relieves blocked sewage outside house, preventing potentially costly property damage inside
- Individually boxed
- For standard 3 or 4 in cleanout connections
- AB&A™ Pop Valve™ Relief Valve, 3-1/2 in H, Domestic