20 DFU (Drainage Fixture Unit) capacity. Complies to ASSE (American Society of Safety Engineers) Standard 1050 and 1051 for use a a secondary vent. ... View Full Description

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Item #: 445334 Model #: 39016

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Specifications

Country of Origin Code US
Size 1-1/2 to 2", 1-1/2" Solvent Weld
Material PVC
Use on Diameter Branches Up to 3", 1-1/2" to 4"

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Description

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".

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