MiracleAir PM-400 | Replacement Carbon Pre-filter 3-Pack

(3-Pack) Carbon Pre-Filters for MiracleAir PM-400 HEPA Air Purifier Extend Your HEPA Filter's Performance These high-quality carbon impregnated pre-filters serve as the critical first defense in your PM-400 air purification system. By effectively capturing larger airborne particles such as dust, lint, and pet dander, these pre-filters maximize the efficiency and lifespan of your main HEPA filter. Maintenance Recommendation: Vacuum every 1-3 months to maintain optimal performance Replace every 6-12 months depending on usage conditions Compatible exclusively with the MiracleAir PM-400 Portable HEPA Air Purifier Each package contains 3 replacement pre-filters—everything you need for a full year of clean air protection.