This is a H13 TRUE HEPA replacement filter specially used for GCZ’s AP402 air purifier for Toxin Absorber Filter, Activated Carbon

• H13 True HEPA Filter: GCZ HEPA air purifier is equipped with a 4-stage filtration system including pre-filter, true H13 HEPA filter, activated carbon filter, non-woven fabric filter, captures particles as small as 0.3 microns, can reduces up to 99.97% of germs, dust, pollen, pet dander, mold, smoke, hair, and odor.
• 6-8 Months Service Life: Depending on the environment and frequency of use, we recommend that you replace the filter every 6-8 months