The ProSource pipe couplings are for connecting pipes made of unlike materials such as clay to cast iron. It's suitable for underground use. Not for use on pressurized plumbing systems.
Item Specifications
Color
Black
Connection Type
Clay to cast iron or plastic pipes
Length
3-3/4 in
Material
PVC
Nominal Size
4 x 3 in
Suitable for
Connects Clay to Cast Iron or Plastic Pipes
MORE DETAILS:
Application: For connecting pipes made of unlike materials such as clay to cast iron and underground