2 in. x 1-1/4 in. PVC Flexible Reducing Coupling with Stainless Steel clamps - Walmart.com
COUPLING REDUCER (POLY-PRO) 1-1/2 x 1-1/4 NPT F | Polyconn
Aqua Plumb 6569100 1/2" X 1 1/4" Rubber Coupling, 27 Piece - Amazon.com
AKW 1 1/4" and 1 1/2" rubber pipe reducer kit | AKW 07215 | National Shower Spares
The Plumber's Choice 2 in. x 1-1/4 in. PVC Flexible Reducing Coupling with Stainless Steel Clamps E03842X114 - The Home Depot
Fernco 1-1/4-in Schedule 40 PVC Coupling in the PVC Pipe & Fittings department at Lowes.com
CDL. REDUCERS RUBBER COUPLINGS AND CLAMPS
Amazon.com: Dust Collection Cone Reducer 4-Inch to 2 1/2-Inch plus 5 Vacuum Hose Adapters Fits 1 1/16 to 1 3/4 inches Includes Shop Vac Adapter 2 1/2 to 1 1/4 inch and 1 Rubber Reducer : Tools & Home Improvement