6" to 4" Inch Duct Reducer. Round Reducer. Duct Fitting Pipe Increaser/Reducer PVC DWV (Drain, Waste and Vent) Reducing Coupling (Metal, 6" to 4") - Amazon.com
Charlotte Pipe 6 in. x 4 in. PVC Schedule 80 S x S Reducer Coupling PVC 08100 7600 - The Home Depot
Drain Coupling, 6 to 4 in. Straight Adaptor, PVC Rubber
Charlotte Pipe 6-in x 4-in PVC DWV Reducing Bushing in the PVC DWV Pipe & Fittings department at Lowes.com
6" x 4" Sch 40 PVC Reducer Bushing - Socket, NSF Compliant
Uxcell 25mm to 20mm ID PVC Reducer Pipe Fitting Straight Adapter Connector, White 6 Pack - Walmart.com
Fiberglass-PVC Swimming Pool Concentric Reducer - 4 in outlet-6 in inlet
Charlotte Pipe 6-in x 8-in PVC DWV Reducing Bushing in the PVC DWV Pipe & Fittings department at Lowes.com
429-532E - 429-532E - 6" x 4" PVC Schedule 40 Eccentric Reducer
Order 6" x 4" PVC DUCT AirTech Concentric Reducer Coupling S x S (1006 04S 060040-IPS)
429-532FE - 429-532FE - 6" x 4" PVC Schedule 40 Eccentric Reducer
6" PVC SDR35 X 4" DWV Solvent Weld Reducer Bushing (Sp x S) - The Drainage Products Store
NDS PVC S&D Increaser/Reducer Coupling, 4 in. Hub X 6 in. Hub 6P07 - The Home Depot
Zoro Select PVC Reducer Tee, Socket x Socket x Socket, 6 in x 6 in x 4 in Pipe Size 401532 | Zoro
6" x 4" PVC Sewer and Drain Reducer Coupling at Menards®
6" x 6" x 4" PVC Sewer and Drain Reducer Wye at Menards®
Zoro Select PVC Reducer Bushing, Spigot, 6 in x 4 in Pipe Size 837-532 | Zoro
Charlotte Pipe 6 In. Hub X 4 In. Hub Schedule 40 DWV Reducing PVC Coupling - Thomas Do-it Center
6" x 4" PVC DWV Reducer Bushing (Sp x S) - The Drainage Source
6" x 4" PVC Reducer Bushing | NDS
6" X 4" PVC SDR35 Gasket Joint Eccentric Reducer Coupling (G x G) - The Drainage Products Store
6" x 4" PVC DWV Increaser Reducer Coupling (Hub x Hub)/Wholesale Pricing
429-532 - 429-532 - 6" x 4" PVC Schedule 40 Reducer Coupling
6" x 4" PVC Duct Reducer Coupling, 1034-RC-0604
