CHNPOFNT Air Purifier Compatible with Purivortex AC400 Air Purifier (Set of 2) [Imported] Brand: CHNPOFNT TJ529991228 Dust Collection and Deodorization Integrated x 2. By installing our filters in your AC400 series air purifier, it enhances suction and performance, lowers the operating temperature of the machine, and thereby extends the overall lifespan of the air purifier. Because we use excellent materials for ventilation and filtration, our AC400 filter mesh enhances the intake effect of the air purifier, reduces noise, and is relatively quiet when in use. With the same 1:1 size as the original factory, replacement is convenient, taking about 2-3 minutes, and no tools are required. Set of 2 HEPA filters for AC400 air purifiers. Removes 99.9% of pollutants and also handles pet hair and smoke. - Filter Type: HEPA Filter - Quantity: Set of 2 - Compatible Models: AC400 Air Purifier - Effect: 99.9% pollutant removal - Targets: Pet hair, smoke, dust Thank you for viewing.