PROFLO PFAAV20 1-1/2″ x 2″ PVC Sch 40pter Air Admittance Valve
The PROFLO PFAAV20 is a 1-1/2″ x 2″ PVC Sch 40pter Air Admittance Valve, designed and manufactured in the United States. This valve is specifically designed for plumbing systems to admit air and prevent trapped air from causing issues.