510-H Bionaire Electret Humidifier Aftermarket Replacement Filter

Aftermarket Replacement by Accumulair


or 4 interest-free payments with

Bionaire Electret main replacement air filter (cut in half to fit)

  • Fits Bionaire model BT204.
  • Measures approximately 4 1/4" x 22 1/4".
  • Removes dust, smoke particles, pollen, and bacteria.
  • For optimum performance, replace filter every 3 months.