| After-sales Service: | on Line Service |
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| Warranty: | One Year |
| ventilation mode: | natural ventilation |
| Samples: |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier
| A(mm) | B(mm) | C(mm) | |
| 4"(Φ102) | 150 | 100 | 40 |
| 5"(Φ127) | 200 | 125 | 60 |
| 6"(Φ153) | 200 | 150 | 60 |
Suppliers with verified business licenses
Audited Supplier 
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