20 DFU (Drainage Fixture Unit) capacity. Complies to ASSE (American Society of Safety Engineers) Standard 1050 and 1051 for use a a secondary vent. One size approved to handle up to 3" vent pipe. Opens and closes as needed by building's plumbing system, 1-1/2 - 2".
Id | 38830 |
SKU | 445334 |
PartNo | 39016 |
UPC | 00038753390161 |
Country of Origin | |
Size | 1-1/2" to 2" |
Type | Air Admittance |
Material | PVC |
Use on Diameter Branches | Up to 3" |