4 to 2.5 inch Durable Plastic Tapered Reducer Fitting | Oneida Air Systems
Charlotte Pipe 1 in. x 1-1/4 in. PVC Schedule 40 MPT x S Reducer Male Adapter PVC 02110 0900HD - The Home Depot
Spears 1.25" x 1" PVC Schedule 40 Mipt x Fipt Reducer Bushing
Lasco 1 inch Coupler - Slip x Slip - Par West Turf
NIBCO® 1-1/2" x 1-1/4" Hub PVC Reducer Coupling DWV at Menards®
2" x 1.25" PVC NPT Adapter - P/N 42960 | Thomas Products Ltd.
1.25" Schedule 80 PVC Male Adapter- Socket X MNPT, NSF Compliant
1.25" Schedule 40 PVC Female Adapter Socket X Female NPT
Amazon.com: FangKingNo5pcs 1.25Inch 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 1/4") :
1.25" x 1" PVC Reducer, 1.25" PVC Fittings - Water Technics
Lasco SCH40 PVC Reducer [1.5" x 1.25" MPT x FPT] (439-212) | BSPO
PVC 1/2" 3/4" 1" 1.25" 1.5" 2" 2.5" 3" 4" Thread Connector 20mm to 110 mm PVC Water Pipe Adapter Garden Irrigation Tube Fittings - AliExpress