3389 ■ HEPA Efficiency filtration captures 99.97% of 0.3-micron particles and smaller when used on lowest fan speed. ■ Effectively captures pollen, dust, smoke, hair, and pet dander, 3-in-1 Pre, HEPA, and Carbon Replacement Filter. 3389 ■ HEPA Efficiency filtration captures 99.97% of 0.3-micron particles and smaller when used on lowest fan speed. ■ Effectively captures pollen, dust, smoke, hair, and pet dander, 3-in-1 Pre, HEPA, and Carbon Replacement Filter. ..Show Less General BrandBissell QuantityNumber TypeCarbon Filter Form FactorWhole Organic Yes
