Comparison : Item # 971-2.52, Tube to Male Pipe Run Tee Adapter
Item # 971-42, Tube to Male Pipe Run Tee Adapter
Item # 971-44, Tube to Male Pipe Run Tee Adapter
Item # 971-62, Tube to Male Pipe Run Tee Adapter
Item # 971-64, Tube to Male Pipe Run Tee Adapter