A231 A230 Replacement Filter O for Winix A230 and A231 Air Purifier,3 in 1 H13 True HEPA High-Efficiency Activated Carbon Filter.Compare to Part # 1712-0110-00, 1712011000,4 Pack

[Perfect Compatibility]: Our A230 Replacement Filter O Compatible with Winix A230 and A231 Air Purifier,Compare to Part # 1712-0110-00, 1712011000. | [Superior Filtration Systems]: 3-in-1 True HEPA System High Efficiency Activated Carbon Filter, H13 Grade True HEPA Filter. Works 99.97% of airborne particles as small as 0.3 microns in size to attach, protecting your home from pet hair, pet dander and odors. | [Valuable Package]: Package contains 4 Pack True HEPA Activated Carbon Filters.Replace your filter set every 6 months for optimal performance. | [Easy Installation]: Easy to replace without tools.Any questions about the installation can contact us. | [After-sales service]: 100 satisfaction guarantee. Any questions, you can contact us, we will try out best to give you a satisfactory solution.