Comparison : Item # 6801-04-04, 1/4 Inch (in) T1 (UNF) and 1/4 Inch (in) T2 (UNF) Carbon Steel 90 Degree JIC Male x Male O-Ring Elbow
Item # 6801-04-05, 1/4 Inch (in) T1 (UNF) and 5/16 Inch (in) T2 (UNF) Carbon Steel 90 Degree JIC Male x Male O-Ring Elbow
Item # 6801-04-06, 1/4 Inch (in) T1 (UNF) and 3/8 Inch (in) T2 (UNF) Carbon Steel 90 Degree JIC Male x Male O-Ring Elbow
Item # 6801-04-08, 1/4 Inch (in) T1 (UNF) and 1/2 Inch (in) T2 (UNF) Carbon Steel 90 Degree JIC Male x Male O-Ring Elbow
Item # 6801-05-04, 5/16 Inch (in) T1 (UNF) and 1/4 Inch (in) T2 (UNF) Carbon Steel 90 Degree JIC Male x Male O-Ring Elbow