Replacement H13 HEPA Air Purifier Filter for AP301 CADR 300+ m³/h Air Purifier Designed for Smoke Wildfire Activated Carbon

High-efficiency filtering function: Equipped with a 4-Stage Filtration system including Pre-filter Activated Carbon Filter TRUE HEPA Filter Fabric Layer.This filter can remove all airborne contaminants as small as 0.3 microns with zero harmful Ozone emission. can effectively capture soot particles produced in wildfires It also effectively captures exhaust gas emitted by automobiles in the air ultrafine particles around your living space. It is perfect for pet owners babies children the elderly or anyone wanting to improve the air quality.It is recommended to replace your filter every 6-8 months depending on the use and air quality.