Comparison : Item # 1317-12-118, 3/16" Tube O.D. (3/8-24 Thread) x 1/8" MPT x 3/16" Tube O.D. (3/8-24 Thread) Male Run Tee Inverted Flare Brass
Item # 1317-12-119, 1/4" Tube O.D. (7/16-24 Thread) x 1/8" MPT x 1/4" Tube O.D. (7/16-24 Thread) Male Run Tee Inverted Flare Brass
Item # 1317-12-120, 5/16" Tube O.D. (1/2-20 Thread) x 1/8" MPT x 5/16" Tube O.D. (1/2-20 Thread) Male Run Tee Inverted Flare Brass
Item # 1317-12-121, 3/8" Tube O.D. (5/8-18 Thread) x 1/4" MPT x 3/8" Tube O.D. (5/8-18 Thread) Male Run Tee Inverted Flare Brass