| After-sales Service: | One Year Warranty |
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| Application: | Houses Ventilated |
| Heating and Ventilation Equipment Type: | Air Duct |
| Samples: |
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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 The fixed board is made of ABS engineering plastic injection molding, which is anti-ultraviolet, anti-aging and non-deformation.
The outer frame and the air door are made of PVC plastic extrusion, which are tightly closed and flexible to open, effectively preventing insects and birds from entering.
It adopts hollow design and is filled with foam insulation layer for good tightness.
All parts of the mechanism and screws are made of stainless steel, which does not rust and has a long service life.
Suppliers with verified business licenses
Audited Supplier 
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