About This

• ▍Compatible with Purivortex AC400 Only ▍This WOCASE AC400 replacement filter is strictly designed for Purivortex AC400 air purifier. NOT compatible with AC500, AC300, or any other models. Please check your model number before purchase.
• ▍3-in-1 True HEPA Filtration System ▍Includes a pre-filter for large particles (dust, pet hair, lint), a true H13 HEPA filter that captures 99.97% of airborne particles down to 0.3 microns, and an activated carbon filter to reduce pet odors, smoke, cooking smells, and VOCs.
• ▍Enhanced Filtration Efficiency ▍This upgrade increases the effective filtration area, allowing the AC400 air purifier to remove more particles per cycle. Ideal for homes with pets or smokers.
• ▍Improves Daily Air Quality ▍Effectively removes allergens, dust, and odors as small as 0.3 microns. Suitable for bedroom, living room, or office — helps provide cleaner air for families with pets or allergy concerns.
• ▍Replacement Cycle & Maintenance ▍Replace the full AC400 filter every 3–6 months depending on air quality and usage. For best performance in high-pollution or pet-heavy homes, consider replacement every 3 months.