Our TP04 HP04 DP04 air filter replacement parts feature dual-layer filtration, with an True filter that helps capture airborne particles as small as 0.3 microns, up to 99.97% efficiency, and an activated carbon filter that helps tackle unpleasant odors and gases. It's an ideal choice for smokers, pet owners, pregnant women, allergy sufferers, or those with open-style kitchens at home, making it easy to improve your air quality. 

2-IN-1 Stage Filtration: FFAC 360 combi glass HEPA filter for HP04 TP04 DP04 filter has a 2-layer filter function. There are H13 true HEPA filter and activated carbon filteR

High Quality HP04 TP04 Filter: The HP04 TP04 filter is made of non-woven fabric and activated carbon, and adopts advanced low-energy consumption and low-density structural technology to ensure the optimal balance between air purification and filtration efficiency