PROFLO Air Admittance Valve

PROFLO PFAAV500 Features:

• ASTM Specifications: ASTM D-2665, ASTM D-2661
• Constructed of PVC material
• NSF Certified
• NSF Specifications: NSF 14
• 50 DFU
• For venting 4" DWV and smaller
• Includes screening on air inlets to protect the seal
• Made in the USA

PROFLO PFAAV500 Specifications:

• 3" x 4" SCH 4 adapter