59 Male connector KQ2H P.60 Extended male elbow KQ2W P.61 Bulkhead union KQ2E P.62 Bulkhead connector KQ2E P.62 Male elbow KQ2L P.60 Basically, it is used together with male elbow. Different point is that it is used for fittings to avoid interfering with each other by making the piping multi-level. Use to connect male thread and tubing through a panel, etc. Use to connect tubing through a panel, etc. Use to pipe a female thread. Most general model. Use to pipe a female thread at right angles. Most general model. KQ2T P.61 P.62 Male branch tee Branch “Y” KQ2U P.61 Male run tee KQ2Y Use to branch a female thread at a 90° angle. Use to branch a female thread. Use to branch a female thread at both 90° angles. Variations Inch Size One-touch Fittings