WZ01 four-sided air inlet
1. Specification: Opening size: 670 mm * 670 mm, four-side air inlet for ceiling.
2. Material: high impact PS material, firm and durable, PVC ventilation fan blade.
3. Structure: Air is introduced from four sides, used in winter, negative pressure opening, the size of air inlet can be adjusted according to the number of ventilation fans in use, and the lower baffle is closed in summer.
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