COMPATIBILITY: Specifically designed to be fully compatible with Pure Enrichment PureZone air purifier model PEAIRDSK as a direct replacement filter TWO-STAGE FILTRATION: Features H13 grade main filter and activated carbon pre-filter for comprehensive air purification PREMIUM FILTER GRADE: H13 grade main filter captures 99.97% of harmful airborne particles with superior efficiency for cleaner and fresher indoor air HIGH-EFFICIENCY: Activated Carbon Filter absorbs household odors from pets, cooking, smoking, wildfires, and harmful VOC’s PACKAGE CONTENTS: Includes two (2) complete set of replacement filters (pre-filter, main filter, and activated carbon) This premium high-efficiency 2-in-1 H13 Grade Filtration System is designed for use and fully compatible with Pure Enrichment PureZone Halo Air Purifier. This Filtration System contains 2-stage filtration: Activated Carbon Pre-filter: Traps larger particles in the air like hair, dust, pet fur, lint and and neutralizes household odors from pets, cooking, smoke, and harmful VOC’s. H13 Grade Main Filter: Captures 99.97% of airborne particles down to 0.3 microns in size, creating fresh and purified air for you and your family. Using Flintar high efficiency air cleaner filters and replacing the filters regularly will help optimize air cleaning performance. Replace your 2-in-1 filter every 6 months depending on use and environment for optimal performance