JB Products Air Admittance Valve AAV 20 DFU 2 x 112 with Threaded Adapter PVC Construction Plumbing Vent Valve for Drainage Systems White

20 DFU VENTING CAPACITY This AAV is Designed to effectively vent plumbing fixtures rated up to 20 Drainage Fixture Units DFU ideal for sinks lavatories and other lowflow applications DURABLE PVC CONSTRUCTION Crafted from premiumgrade white PVC for longterm durability corrosion resistance and compatibility with standard plumbing systems INCLUDES THREADED ADAPTER Features a convenient 2 x 112 connection with a threaded adapter for easier and more flexible installation options PERFECT FOR CONFINED INSTALLATIONS This AAV is Ideal for use in spaces where traditional venting through the roof or exterior wall is not feasible such as under sinks or in remodels NO ROOF PENETRATION REQUIRED Helps reduce labor and installation costs by eliminating the need for roof flashing or exterior vent runs.