External Vent with Gravity Shutters
| Size | A | B | C | D | E | Part Number |
| 100 | 140 | 140 | 34 | 98 | 54 | LTTF02100 |
| 125 | 162 | 162 | 34 | 123 | 54 | LTTF02125 |
| 150 | 174 | 174 | 34 | 148 | 55.5 | LTTF02150 |
| Size | A | B | C | D | E | Part Number |
| 100 | 140 | 140 | 34 | 98 | 54 | LTTF02100 |
| 125 | 162 | 162 | 34 | 123 | 54 | LTTF02125 |
| 150 | 174 | 174 | 34 | 148 | 55.5 | LTTF02150 |
