Air Cleaner Room

510 Bionaire Electret Air Cleaner Replacement Filter Bionaire Electret main air filter, fits Bionaire models BT204, BT400, BT500, BT500s, and BT501. This filter measures 22 1/2 x 4 and is used for removal of dust, smoke particles, pollen, and bacteria. For optimum performance, replace filter every 3 to 6 months.

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510 Bionaire Electret Air Cleaner Replacement Filter Overviews

Bionaire Electret main air filter, fits Bionaire models BT204, BT400, BT500, BT500s, and BT501. This filter measures 22 1/2 x 4 and is used for removal of dust, smoke particles, pollen, and bacteria. For optimum performance, replace filter every 3 to 6 months.

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