Male Adapter, Conduit Fitting Type Adapter, Conduit Trade Size 3 in, Conduit Fitting Material PVC/ INSIDE DIAMETER: 3.000 INCHES NOMINAL SINGLE END OVERALL LENGTH: 3.100 INCHES NOMINAL OUTSIDE DIAMETER: 4.060 INCHES NOMINAL SINGLE END MATERIAL: PLASTIC STYLE DESIGNATOR: A7 THREAD TO THREAD REDUCER