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Filter Queen Defender 4000 HEPA replacement filter

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Filter Queen Defender 4000

• Filter Queen replacement HEPA filter!
• Measures approximately 8" H x 7 1/2" ID x 11 1/4" OD.
• 99.97% effective at removing particles as small as .3 microns from the air that passes through the filter.
• For optimum performance, replace filter every 12 months.

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