| Model No | Throat size (mm) | Light Area (sqm) | Vent Area (sqm) |
| SL400 |
400 X 400 |
.16 |
.0518 |
| SL510 |
510 X 510 |
.26 |
.0611 |
| SL600 |
600 X 600 |
.36 |
.0768 |
| SL670 |
670 X 670 |
.45 |
.0852 |
| SL820 |
820 X 820 |
.67 |
.1063 |
| SL940 |
940 X 940 |
.89 |
.1218 |
| SL1140 |
1140 X 1140 |
1.3 |
.1477 |
| SL1450 |
1450 X 1450 |
2.10 |
.1879 |
| SL1720 |
1720 X 1720 |
2.96 |
.2228 |
| SL2350 |
2350 X 2350 |
5.52 |
.3045 |
|
