Replacement for: Premium BS-08 Replacement Filter Compatible with PARTU BS-08. 99.97% Effectiveness: for bs08 filter replacement filter works well for filtering. Pre-filter removes up to 99.97% of particles. HEPA filter removes particles as small as 0.3 microns. Use Anywhere: The replacement filter for bs08 can be used with PARTU BS-08 anywhere, such as bedrooms, living rooms, kitchens, and offices. Easy to Install: Fits PARTU BS-08, no more cutting for HEPA filter. Replace your old filter without any other tools, saving time and convenience. We suggest replacing the filter approximately every 4-6 months to maintain maximum filtration performance. Material: Plastic Color: Photo Color Package Contents: 2 * Purifier Filter Element Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real item. The allowed measurement error is +/- 1-3 cm.