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Product Description
【Replacement time】:
Depending on the usage and the degree of wear of the grille, it usually needs to be replaced in 1 year or more.
【Installation tips】:
1. Pay attention to the direction: Make sure the grille opens and closes in the correct direction during installation to avoid installation errors.
1.To prevvent errors of installation, please gurantee the opening and closing of the grille in the right direction
2. Ensure stability: Make sure the grille is firmly fixed during installation to avoid looseness or air leakage.
3. Test effect: Test the air filtration effect after installation to ensure normal use.