Used mainly in industry for particular applications due to size, air flow etc.
Sizes 4: special for high flows. Large threads and barbs. Flows T4 (2400 L/min).
| Air flow | 2400 L/min |
| Code | Version |
|---|---|
| 11020140 | Coupling T-4 1/2" Female 2 Units |
| 11020141 | Coupling T-4 3/4" Female 2 Units |
| 11020240 | Coupling T-4 1/2" Male 2 Units |
| 11020241 | Coupling T-4 3/4" Male 2 Units |
| 11020340 | Coupling T-4 Ø16mm Spigot 2 Unit |
| 11020341 | Coupling T-4 Ø20mm Spigot 2 Unit |
