These pipes are longitudinally spot-welded or stitch-welded.
Designed for air return in a workspace, they are made of metal sheets with 33% perforation.
| Diameter | Length | Thickness | Item ID | Edge |
|---|---|---|---|---|
| Ød, mm | L, mm | s, mm | ||
| 80 | 990 | 1 | AAAD000001 | fb |
| 100 | 990 | 1 | AAAD000002 | fb |
| 120 | 990 | 1 | AAAD000003 | fb |
| 125 | 990 | 1 | AAAD000021 | fb |
| 140 | 990 | 1 | AAAD000004 | fb |
| 150 | 990 | 1 | AAAD000005 | fb |
| 160 | 990 | 1 | AAAD000006 | fb |
| 180 | 990 | 1 | AAAD000007 | fb |
| 200 | 990 | 1 | AAAD000008 | fb |
| 225 | 990 | 1 | AAAD000009 | fb |
| 250 | 990 | 1 | AAAD000010 | fb |
| 275 | 990 | 1 | AAAD000011 | fb |
| 280 | 990 | 1 | AAAD000022 | fb |
| 300 | 990 | 1 | AAAD000012 | fb |
| 315 | 990 | 1 | AAAD000013 | fb |
| 350 | 990 | 1 | AAAD000014 | fb |
| 400 | 990 | 1 | AAAD000015 | fb |
| 450 | 990 | 1 | AAAD000016 | fb |
| 500 | 990 | 1 | AAAD000017 | fb |
| 550 | 990 | 1 | AAAD000018 | fb |
| 600 | 990 | 1 | AAAD000019 | fb |
| 630 | 990 | 1 | AAAD000020 | fb |