IPEX
A Reducing Tee is used to connect different diameters of pipe to each other at a 90 degree angle. Threaded hubs solvent weld to pipe.
Genova PVC DWV Fittings 3" Sewer X 4" Sch 40 Adapter Coupling
Plumb Pak J-Bend for P & S-Trap 11/4" x 11/4"
PEX Evopex Push Coupling, 3/4 x 3/4-In.
Apollo PEX-B Pipe
Oatey® 3 in. or 4 in. PVC Closet Flange with Metal Ring without Test Cap