Pack contains 2 foam pre-filters for use in all Bionaire BAP9240 air purifiers. These filters are critical in prolonging the life of your air purifier by stopping the larger dust particles from prematurely clogging up and damaging the hepa filter and other internal components.
Maintaining optimum efficiency and prolonging the life of your air purifier.
These pre-filters are designed for use in both the Lifetime Hepa Filter and Smokestop versions of the Bionaire BAP9240 air purifiers. Using a pre-filter protects and prolongs the life of the air purifier by trapping all the larger dirt and dust particles before they enter the workings of the machine and the all important Hepa filter stage.
Prolonging the life of the Hepa Filter.
The Hepa filters inside the BAP9240 are designed to trap ultra fine particles such as allergens, dust mites, pollens, spores and pet allergens (dander) . These tiny invisible particles are so small that the Hepa filter can hold millions and millions of them at a time. However, if the much larger dust particles (such as those visible in a shaft of sunlight) are allowed to find their way into the hepa filter they very quickly take up all the available space clogging it up prematurely and forcing early replacement. These pre-filters trap those large particles before they reach the main Hepa filter and as a result can extend the life of the Hepa by up to 100%.
Two Year Supply
We recommend replacing the pre-filter once every twelve months to maintain your purifiers performance. This pack contains 2 filters and therefore enough to last for a full two years.
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