Used mainly in industry for particular applications due to size, air flow etc.
Size 1: special small size. Flow T1: 450 L/min.
| Air flow | 450 L/min |
| Code | Version |
|---|---|
| 11020110 | Coupling T-1 1/8" Female 2 Units |
| 11020111 | Coupling T-1 1/4" Female 2 Units |
| 11020210 | Coupling T-1 1/8" Male 2 Units |
| 11020211 | Coupling T-1 1/4" Male 2 Units |
| 11020310 | Coupling T-1 Ø 6mm Spigot 2 Unit |
| 11020311 | Coupling T-1 Ø 8mm Spigot 2 Unit |
