Comparison : Item # 972-2.52, Tube to Male Pipe Drop Tee Adapter
Item # 972-42, Tube to Male Pipe Drop Tee Adapter
Item # 972-44, Tube to Male Pipe Drop Tee Adapter
Item # 972-46, Tube to Male Pipe Drop Tee Adapter
Item # 972-64, Tube to Male Pipe Drop Tee Adapter