Modular straight duct, smooth bore with laser welded lock formed seams for minimal pressure loss and leakage. The speedlock flange at each end allows quick and easy assembly.

| Product Code | D mm |
S mm |
A L=0.5mm Weight-kg |
B L=1.0m Weight-kg |
C L=2.0m Weight-kg |
| D80 | 80 | 0.75 | 0.80 | 1.60 | 3.20 |
| D100 | 100 | 0.75 | 1.00 | 2.00 | 4.00 |
| D125 | 125 | 0.75 | 1.25 | 2.50 | 5.00 |
| D140 | 140 | 0.75 | 1.40 | 2.80 | 5.60 |
| D150 | 150 | 0.75 | 1.50 | 3.00 | 6.00 |
| D160 | 160 | 0.75 | 1.60 | 3.20 | 6.40 |
| D180 | 180 | 0.75 | 1.75 | 3.50 | 7.00 |
| D200 | 200 | 0.75 | 2.00 | 4.00 | 8.00 |
| D225 | 225 | 0.75 | 2.25 | 4.50 | 9.00 |
| D250 | 250 | 0.75 | 2.50 | 5.00 | 10.00 |
| D275 | 275 | 0.75 | 2.75 | 5.50 | 11.00 |
| D300 | 300 | 0.75 | 2.85 | 5.70 | 11.40 |
| D315 | 315 | 0.75 | 3.00 | 6.00 | 12.00 |
| D325 | 325 | 0.75 | 3.00 | 6.00 | 12.00 |
| D350 | 350 | 0.75 | 3.25 | 6.50 | 13.00 |
| D375 | 375 | 0.75 | 3.30 | 6.50 | 13.00 |
| D400 | 400 | 0.90 | 4.50 | 9.00 | 18.00 |
| D425 | 425 | 0.90 | 4.60 | 9.20 | 18.40 |
| D450 | 450 | 0.90 | 5.15 | 10.30 | 20.60 |
| D475 | 475 | 0.90 | 5.20 | 10.30 | 20.60 |
| D500 | 500 | 0.90 | 5.70 | 11.40 | 22.80 |
| D550 | 550 | 0.90 | 6.25 | 12.50 | 25.00 |
| D600 | 600 | 0.90 | 6.80 | 13.60 | 27.20 |
| D630 | 630 | 0.90 | 7.20 | 14.40 | 28.80 |
| D650 | 650 | 0.90 | 7.50 | 15.00 | 30.00 |
| D700 | 700 | 0.90 | 8.00 | 16.00 | 32.00 |
| D750 | 750 | 0.90 | 8.50 | 17.00 | 34.00 |
| D800 | 800 | 1.00 | 10.00 | 20.00 | 40.00 |
| D850 | 850 | 1.00 | 10.75 | 21.50 | 43.00 |
| D900 | 900 | 1.00 | 11.50 | 23.00 | 46.00 |
| D950 | 950 | 1.00 | 12.25 | 24.50 | 49.00 |
| D1000 | 1000 | 1.00 | 13.00 | 26.00 | 52.00 |