How It WorksThe AirPura universal stand alone Pre-Filter is designed to capture larger particles, such as hair, dust and pet dander. The pre-filter is cleanable and will help extend the life of the main filter in your AirPura air purifier. We recommend changing this filter every twelve months and cleaning at least once a month to achieve maximum filtration efficiency.Cleaning InstructionsOur product experts recommend cleaning the pre-filter at least once a month for optimum filtration performance. Remove the pre-filter to clean. When washing, make sure the pre-filter is 100% dry before placing back on the main filter to avoid damage to the filter.
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