Product Description:

• Nispira premium True HEPA and activated carbon pre filter replacement set compatible with Winix air purifier A230 and A231
• Compared to Winix filter O 1712-0100-00
• True-HEPA filter captures up to 99.97% of particles as small as 0.3 microns.
• Activated Carbon Pre-filter deodorizes odors and traps large particles.
• 3 Packs included. 100% customer satisfaction guaranteed. Quality meets or exceeds leading national brand