Comparison : Item # A51-22, 1/8" O.D. Tube S.A.E. Flare Fitting-Assembled with Short Rod Nut - Tube to Male Pipe Run Tee Adapter
Item # A51-32, 3/16" O.D. Tube S.A.E. Flare Fitting-Assembled with Short Rod Nut - Tube to Male Pipe Run Tee Adapter
Item # A51-42, 1/4" O.D. Tube S.A.E. Flare Fitting-Assembled with Short Rod Nut - Tube to Male Pipe Run Tee Adapter
Item # A51-44, 1/4" O.D. Tube S.A.E. Flare Fitting-Assembled with Short Rod Nut - Tube to Male Pipe Run Tee Adapter
Item # A51-52, 5/16" O.D. Tube S.A.E. Flare Fitting-Assembled with Short Rod Nut - Tube to Male Pipe Run Tee Adapter