Optional 2
| Model | Applicable Model | Features |
| Exhaust Fan | SH-90A, SH-150S, SH-200S, SH-200B, SH-300B | Simplifies on-site installation, Fully compatible with all in one ventilation solution. |
| Model | Applicable Model | Features |
| Exhaust Fan | SH-90A, SH-150S, SH-200S, SH-200B, SH-300B | Simplifies on-site installation, Fully compatible with all in one ventilation solution. |