Nispira Filter O: True HEPA + Activated Carbon Pre-Filter for Winix A230/A231 Air Purifier

Keep your Winix A230 or A231 air purifier performing at its best with the Nispira Filter O True HEPA + activated carbon pre-filter replacement set — a direct-fit alternative to the original manufacturer filter.

This set combines a True HEPA filter with an activated carbon pre-filter, capturing airborne particles while helping deodorize household odors.

Product Specifications

Installation

No tools or special expertise required.

1. Turn off and unplug your Winix air purifier before servicing.
2. Remove the existing HEPA filter and carbon pre-filter from the unit.
3. Confirm the filter model number matches your A230 or A231 unit.
4. Insert the Nispira replacement HEPA filter and carbon pre-filter into the correct slots.
5. Close the compartment and restart the purifier.

Always follow your Winix air purifier's manual for filter access and orientation.

Filtration and Maintenance

• True HEPA layer: Captures up to 99.97% of airborne particles as small as 0.3 microns
• Activated carbon pre-filter: Deodorizes household odors and traps large particles, extending the HEPA filter's life

For best results, replace approximately every 6–12 months, depending on usage and indoor air quality.

Compatibility Notice

This replacement filter set is designed specifically for Winix A230 and A231 air purifiers, replacing the original filter referenced as 1712-0100-00 (Filter O).

Before ordering, compare your unit's model number with the compatibility list above.

Disclaimer

Nispira is an independent brand. This is an aftermarket replacement filter and is not manufactured by Winix.

Brand names, trademarks, and model references are used solely to identify compatibility. Nispira is not affiliated with, sponsored by, or endorsed by Winix or its trademark holders.