Replacement Filter for Cobectal & Oterbear ZQA-4000B, Hopmirth ZQA-4000C

Perfect Compatibility & 2-Pack Value: Specifically designed to replace filters for Hopmirth ZQA-4000C, FETIONS ZQA-4000A, Cobectal, and Oterbear ZQA-4000B air purifiers. Get two filters for extended, cost-effective performance | Advanced 3-in-1 Filtration: Combines a main filter, activated carbon, and a pre-filter to effectively isolation airborne particles, while neutralizing odors | Activated Carbon Layer: Effectively absorbs and neutralizes cooking smells, pet odors, smoke, and volatile organic compounds (VOCs), keeping your indoor air truly fresh | Easy Installation & Maintenance: Replaces your old filter in seconds with no tools required. Check regularly and replace every 3-6 months (depending on usage) for optimal air purifier performance | Reliable Support & Satisfaction Guarantee: We are committed to your satisfaction. If you have any questions about compatibility, installation, or use, our responsive customer service team is here to assist you promptly.