| Customization: | Available |
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| After-sales Service: | on Line Service |
| Warranty: | One Year |
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1. Insulated with closed cell insulation.
2. Manufactured from virgin polypropylene black plastic.
3. Aerodynamically curved box creates a more even airflow.
4. Suits 230,300 and 450 range of square diffusers.
5. Low profile fits between ceiling joists in two storey homes.
6. Snap on connection- no screws or rivets required.
7. Twin butterfly damper for balancing airflow.
| Code | Size |
| MB23D15I | 230×230 - 150mm |
| MB23D20I | 230×230 - 200mm |
| MB30D20I | 300×300 - 200mm |
| MB30D25I | 300×300 - 250mm |
| MB45D20I | 450×450 - 200mm |
| MB45D25I | 450×450 - 250mm |
| MB45D30I | 450×450 - 300mm |
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