Brand New 4 pack G3 A3 Replacement Filter AMEIFU G3 Sferf-30 (FXAP2W) and VEWIOR A3 Air Purifier 3-in-1 filtration system: Effectively isolates airborne particles such as dust, pet dander, cooking smell and smoke. Enjoy cleaner and fresher air in your home or office environment Value Pack: This pack includes 4 Pack G3 replacement filters, you can easily replace the old filter whenever necessary, ensuring continuous purification and optimal performance of your purifier Easy Installation and Replacement: Installing and replacing these G3 True HEPA Replacement Filters is a breeze. With regular replacement, you can maintain optimal air quality in your home or office It is recommended to replace your filter every 3 to 6 months to maintain optimal performance