Features:

• For Venting single fixtures, kitchen sinks and bathroom groups including back to back applications up to 20 DFU
• Exclusive vermin protection system
• Expands architectural design limits
• Compact design for tight applications
• Fits 1-1/2" and 2" pipe sizes
• Limited lifetime warranty for replacement of defective valves
• Residential or Commercial Use
• ANSI/ASSE 1051, ANSI/ASSE 1050, NSF 14, ETL, ICC-ES PMG-1025, C-IAPMO