| Frame Size | Clear Opening | Weight | |||
|---|---|---|---|---|---|
| Inch | MM | Inch | MM | 3-T | 5-T |
| 12 x 18 | 300 x 450 | 9.5 x 15 | 240 x 375 | - | 5200 |
| 12 x 24 | 300 x 600 | 9.5 x 20 | 240 x 550 | - | 7600 |
| 18 x 24 | 450 x 600 | 15 x 20 | 375 x 500 | - | 11500 |
| 21 x 28 | 525 x 700 | 17.5 x 24 | 440 x 600 | - | 15000 |
| 18 x 36 | 450 x 900 | 15 x 30 | 375 x 750 | - | 17800 |
| 24 x 30 | 600 x 750 | 20 x 25.5 | 500 x 640 | - | 18500 |
| 24 x 36 | 600 x 900 | 20 x 30 | 500 x 750 | - | 20800 |