3. Loosen the filter.
Figure 7-7 : Loosening the Air Filter
1. At least 3 months for replacement of the new vent filters is recommended.
2. We recommend inspecting the vent filters each month, clean or replacement if
    necessary.
3. If the vent filters haven’t been replaced for a long time, poor heat dissipation may
    result in the damage of cooling fans.
NOTE
Maintenance
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