Charlotte Pipe 1-1/2 in. x 2 in. PVC Schedule 40 MPT x S Reducer Male Adapter PVC 02110 1400HD - The Home Depot
Amazon.com: FangKingNo5pcs 1.5Inch White PVC Pipe Coupling Adapter Pipe Fittings couplers (Slip to Slip) Schedule 40 Easy to Install,and High Tensile for Home or Industrial Use ( Pack of 5) (1 1/2") :
NIBCO 2 in. x 1-1/2 in. PVC DWV Reducing Coupling C4801HD2112 - The Home Depot
Hot Tub PVC Pipe Inside Connector 1.5" – SpaDepot.com
Charlotte Pipe 1-1/2-in x 2-in PVC DWV Adapter Coupling in the PVC DWV Pipe & Fittings department at Lowes.com
Amazon.com: FangKingNo5pcs 1.5Inch White PVC Pipe Coupling Adapter Pipe Fittings couplers (Slip to Slip) Schedule 40 Easy to Install,and High Tensile for Home or Industrial Use ( Pack of 5) (1 1/2") :
Charlotte Pipe 1-1/2 in. PVC Schedule 40 MPT x S Male Adapter PVC021091400HD - The Home Depot
Charlotte Pipe 1-1/2 in. PVC Schedule 40 S x S Coupling PVC021001400HD - The Home Depot
Amazon.com: FangKingNo 5pcs 1.5Inch White 2-Way PVC Male Adapter Pipe Fittings (Slip to Male Thread) Coupling with 1.5-Inch Male Hose Thread Schedule 40 -5 Pack (1 1/2") : Industrial & Scientific
Hot Tub PVC Coupling - 1.5" Slip X 1.5" Slip – SpaDepot.com
Amazon.com: Boltigen 1-1/2 PVC Pool Pump Fitting Coupling, 1.5" NPT Male x 1.5" Slip Union Socket Joint Adapter Connector Replacement for Pool Spa Pump : Patio, Lawn & Garden
Charlotte Pipe 1-1/2-in x 1-1/4-in PVC DWV Reducing Male Trap Adapter in the PVC DWV Pipe & Fittings department at Lowes.com
2" X 1.5" Sch 80 PVC Bell Reducer Coupling (Socket x Socket)
Charlotte Pipe 2 in. x 1-1/2 in. PVC Schedule 40 Reducer Bushing PVC 02112 4000HD - The Home Depot