Comparison : Item # AN6606 17 00, Equal Pipe-to-Pipe Connector
Item # AN6606 25 00, Equal Pipe-to-Pipe Connector
Item # AN6606 40 00, Equal Pipe-to-Pipe Connector
Item # AN6606 63 00, Equal Pipe-to-Pipe Connector
Item # AN6602 17 00, Equal Elbow