Hunter 30930 Air Purifier Filter- Aftermarket Filter Aftermarket filter fits Hunter models 30020, 30393, 30200, 30201, 30205, 30250, 30253, 30255. Measures approximately 14 1/4 x 16 x 1 1/8 in. 3-stage multi-purification filter The first filter removes large dust particles, lint and hair from the dirty air. Second sub-micron filter captures airborne particles as small as 0.1 microns from the air.