4" x 4" Flexible Coupling, Asbestos Cement Or Ductile Iron To Cast Iron Or Plastic.
3" x 1-1/2" Reducing Size Donut, For Cast Iron To Schedule 40 Plastic.
Flexible Sanitary Tee, 4" x 4" x 4", PVC Construction Fits Common Household Pipes Including Cast Iron, Steel, Plastic, Copper & Lead.