Nispira True Filter Replacement Compatible with Ibuki Air Purifier -01CW, -18, Okaysou AirMic4S. 4 Packs

Nispira premium True with Preliminary filter replacement compatible with Ibuki air purifier model Preliminary filter traps large particles such as hair, dust. True- captures up to 99.97% of particles, as small as 0.3 microns. 4 packs included. Suggest to replace filter every 6 months to optimize performance Easy to install. Dimension 6.75 x 6.75 x 5.4". Quality meets or exceeds leading national brand.