Zoro Select PVC Reducer Tee, Socket x Socket x Socket, 6 in x 6 in x 4 in Pipe Size 401532 | Zoro
6" to 5" Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer PVC DWV (Drain, Waste and Vent) Reducing Coupling (Plastic, 6 inch to 5 inch) - Amazon.com
6" x 5" Sch 40 PVC Reducer Coupling Soc 429-533F
Jaagran PVC Coupler Reducer, for Pipe Fitting, Size: 2-6 Inch
Vent Systems 6" to 5" Inch Duct Reducer Adapter Connector Fitting Pipe Increaser Reducer Cone for HVAC Ventilation Systems, ABS Plastic PVC Pipe 150 to 125 mm - Amazon.com
2" X 1.5" Sch 80 PVC Bell Reducer Coupling (Socket x Socket)
intulon 6-inch to 5-inch Portable A/C Exhaust Hose Coupler/Adapter/Reducer – Omnidirectional – Clockwise or Counter-clockwise Thread – Intulon
Chrome Reducer, 6 Inch ID To 5 Inch OD - Elite Truck Accessories
Blue PVC Pipe Adhesive Fittings Sleeves Reducer Bend Elbow Tee Cross Ball Valve | eBay
Zoro Select PVC Reducer, Hub, 6 in x 4 in Pipe Size 1WKV5 | Zoro