Compatible Models Designed specifically for Shark air purifier 4 filter replacements, this HE402 replacement filter is compatible with Shark models HE400, HE401, HE402, HE402AMZ, and HE405. Built to match the quality and performance of the original filter, it ensures reliable operation for your air purifier. Advanced 3Stage Filtration Featuring a 3in1 system that combines an H13 True HEPA filter, efficiency activated carbon, and a fine prefilter. This layered design works together to capture airborne particles, neutralize unwanted odors, and trap larger debris from the air. Ideal for households with pets or smokers, where air quality is a priority. Performance Air Cleaning The H13 True HEPA filter captures particles as small as 0.3 microns, including dust, pollen, and pet dander. The activated carbon layer helps reduce odors from pets, cooking, and smoking, while the fine prefilter removes larger particles such as hair and lint. This combination creates cleaner, fresher air, making it easier for you and your family to breathe and sleep comfortably. Practical and CostEffective This value set includes three Shark HE405 replacement filters, providing you with multiple replacements in one . For performance of your Shark HE400 series machine, it is recommended to the filter every 6 to 12 months, depending on usage frequency. Use Scenarios Helps maintain fresh air in homes with pets by reducing pet hair, dander, and odors. Ideal for reducing smoke and cooking smells in apartments or kitchens. Supports cleaner air in bedrooms and living areas, promoting better breathing and rest. Specifications and Materials Filter Type: H13 True HEPA with activated carbon and fine prefilter layers Compatibility: Shark HE400, HE401, HE402, HE402AMZ, HE405 Pack Size: 3 filters per pack Recommended Lifespan: every 612 months based on use This HE402 replacement filter set offers dependable filtration performance, straightforward compatibility, and lasting value for maintaining the clean air you need.