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Parts & Supplies

High Efficiency & Pre-Filter for air400 | 2521
Part #:

High Efficiency & Pre-Filter for the BISSELL air400 Air Purifier, Series 24791.

Follow these instructions for filter replacement:

  • Make sure the Air Purifier is turned OFF and unplugged before replacing the filters
  • Each filter has blue easy pull tabs. The tabs should face outward. 
  • Insert activated carbon filter before inserting High Efficiency + Pre-Filter.
  • The Pre-Filter attached to the High Efficiency filter should face outward.

NOTE: Filter life varies based on run time and existing air conditions. It is recommended to replace both the High Efficiency + pre-filter and activated carbon filter once every six months.

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