Hardware Made Easy!
Various
6" x 4" flexible reducing coupling with 2 stainless steel clamps, connects cast iron or plastic to cast iron or plastic.
BrassCraft Bibb Washer Beveled
Homewerks Worldwide Universal Toil Connector Stainless Steel (1/2" x 12", Stainless Steel)
Nibco 90° Fitting Elbow Close Rough Ftg x C - Wrot
Tigre USA Male Adapter (MIPT x Insert) (3/4")
Dura Coupling (Insert) (3/4" (1429-007))