HPA300 HEPA Filter Replacement for Air Purifier - 6 HEPA R + 8 A Carbon Pre-Filter

Designed for HEPA air purifier models: HPA300, HPA304, HPA3300, HPA5300, HPA5350, and HPA8350 Includes 6 HEPA type R replacement filters and 8 A carbon pre-cut pre-filters Made with high-quality non-woven fabric HEPA H13/MERV 17 material for optimal performance HEPA filters should be replaced once per year, while pre-filters should be replaced every 3 months Ideal for households with pets, cooking, and smoking