1 x 1-1/2 Expand Pipe AdapterThe 1 x 1 1 2 Expand Pipe Connector Adapter is a pipe fitting designed to connect pipes of different diameters, expanding. It allows for smooth transitions between different pipe sizes while maintaining a secure connection. Specification Details TYPE Expand Pipe Adapter DESIGN Leak proof threaded design for secure connections MATERIAL Steel for strength and durability WEIGHT (LBS) 1. 310 CONNECTION SIZE 1 1" CONNECTION SIZE 2 1 1 2" CONNECTION TYPE