COMPATIBILITY - This 3-in-1 H13 Replacement Filter is designed exclusively for the Pure Enrichment PureZone Air Purifier (Model: PEAIRPLG) and is not compatible with other air purifiers. Each package includes 2 filters and 6 pre-filters, ensuring long-lasting air quality control. HIGH-EFFICIENCY FILTRATION - Equipped with a efficiency filtration system, this filter filters out airborne particles as small as 0.3 microns, including dust, smoke, pollen, and pet dander, to help maintain cleaner air in your home. THREE-STAGE FILTRATION - The pre-filter filters out large particles like hair and dust to extend the filter’s lifespan. The efficiency layer filters microscopic particles. The activated carbon layer helps reduce common household odors like those from cooking or pets, working together to deliver comprehensive 360° air cleaning. HASSLE-FREE REPLACEMENT - Replace the filter effortlessly without tools! Recommended replacement every 6 months (adjust based on usage and air quality). The 2-pack set reduces maintenance frequency, saving you time and effort. CUSTOMER SUPPORT - We offer 24/7 responsive customer service to address any inquiries about installation, usage, or performance, ensuring a worry-free experience from purchase to everyday use. 3-in-1 H13 Replacement Filters for Pure Enrichment PureZone Air Purifier (PEAIRPLG) - 3 Filter + 6 Pre-Filters