This Flintar brand BS-03 True HEPA replacement filter is an excellent choice for those with PARTU and Slevoo BS-03 HEPA air purifiers. The pack of 2 filters ensures that you'll have a spare for when you need it. These filters are designed with True HEPA filtration technology, which captures up to 99.97% of particles as small as 0.3 microns, such as dust, pollen, smoke, and mold spores. The filter's high-density activated carbon filter layer also helps to reduce unpleasant odors.

The filter's size is specifically designed to fit the BS-03 model, making it a perfect match for your air purifier. With this Flintar filter, you can rest assured that the air in your home is being purified without having to worry about the condition of the filter.