Tube Coupling
$4.75 – $11.75
| Fitting Size | Part # |
| 6 mm | 53-2003003 |
| 8 mm (5/16”) | 53-2003004 |
| 10 mm | 53-2003005 |
| 12 mm | 53-2003006 |
| 14 mm | 53-2003007 |
How to Measure Fittings & Suction Cups
$4.75 – $11.75
| Fitting Size | Part # |
| 6 mm | 53-2003003 |
| 8 mm (5/16”) | 53-2003004 |
| 10 mm | 53-2003005 |
| 12 mm | 53-2003006 |
| 14 mm | 53-2003007 |
