Additional information
| size | No.4 1/2 Tube Union, No.4 1/4 Tube Union, No.4 1/8 Tube Union, No.4 3/16 Tube Union, No.4 3/4 Tube Union, No.4 3/8 Tube Union, No.4 5/16 Tube Union, No.4 5/8 Tube Union, No.4R 1/2 x 3/8 Red. Tube Union, No.4R 3/8 x 1/4 Red. Tube Union, No.4R 3/8 x 5/16 Red. Tube Union, No.4R 5/16 x 1/4 Red. Tube Union |
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