RADS series
| Type | A(mm) | B(mm) | H(mm) |
| 200×300 | 200 | 300 | 27 |
| 250×250 | 250 | 250 | 27 |
| 250×300 | 250 | 300 | 27 |
| 250×350 | 250 | 350 | 27 |
250×400 | 250 | 400 | 27 |
| 300×300 | 300 | 300 | 27 |
| 300×350 | 300 | 350 | 27 |
300×400 | 300 | 400 | 27 |
| 350×400 | 350 | 400 | 27 |
| 400×500 | 400 | 500 | 27 |
Installation on square ducts In galvanized steel 25 mm thick of glass wool as thermal insulation layer Gasket around the frame makes good sealing Clasp lock set makes easy opening and closing of access door |
