- Compatibility: The BKJ-33 filter replacement is specifically designed for the COLZER air purifier model BKJ-33. Please verify your model and size before purchasing to ensure a perfect fit. - High-Quality Materials: This filter features a high-density pre-filter that is resistant to folding, oils, acids, and alkalis. It effectively captures large particles of pollutants, ensuring cleaner air. The H13 HEPA filter is engineered with evenly spaced pleats to minimize wind resistance, promoting rapid air circulation. - Enhanced Air Quality: The filter is filled with high-efficiency activated carbon, which increases the surface area for gas contact. This significantly boosts air purification capabilities and effectively eliminates odors, providing you with fresher air. - Regular Maintenance: Over time, the cleaning performance of the BKJ-33 filter will diminish, potentially leading to secondary air pollution. To maintain optimal air quality, it is recommended to replace the filter every 6 to 12 months. Use Scenarios: - Ideal for homes with pets to reduce pet dander and odors. - Perfect for households with allergy sufferers, providing relief from airborne allergens. - Suitable for use in offices to maintain a clean and healthy work environment. Invest in the BKJ-33 filter replacement for a cleaner, healthier living space with consistent air purification performance.