Optimal Filtration Efficiency: Crafted to provide superior air purification, this activated carbon filter effectively removes pollutants, odors, and VOCs, ensuring a cleaner, healthier environment in your home or office. Perfect Compatibility: Designed to fit seamlessly with BP03, BP04, and BP06 air purifiers, this filter matches the exact specifications of part numbers 972132-01 and 972133-02, guaranteeing optimal performance. Easy Installation: This filter is engineered for quick and hassle-free replacement, making maintenance of your air purifier convenient and straightforward. Long-Lasting: Constructed with high-quality materials, our replacement filters maintain their performance over time, ensuring you don't need frequent replacements. Eco-Friendly: By capturing pollutants and preventing them from recirculating, our filters not only clean your air but also contribute to a healthier planet. Color: Black Material: Plastic Package Contents: 1 x Filter Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.