About this item

• Sure-Vent air admittance valve installation pack
• Use as an alternative to a secondary vent in a DWV system
• Vents up to 20 DFU Branch or 8 DFU Stack
• Includes AAV, P-trap, 6 in. extension tube, PVC threaded adapter and deep box flange
• One size approved to handle up to 2 in. vent pipe