Comparison : Item # 00078-0402, 78 Tee (Compression x Female Pipe)
Item # 00078-0404, 78 Tee (Compression x Female Pipe)
Item # 00078-0602, 78 Tee (Compression x Female Pipe)
Item # 00078-0604, 78 Tee (Compression x Female Pipe)
Item # 00078-0606, 78 Tee (Compression x Female Pipe)