Usage Tips:Replacement for: Premium BS-08 replace filter Compatible with PARTU BS-08. 99.97% Effect: for bs08 filter replacement filters work well for filtering. Pre filter remove up to 99.97% large particles. HEPA filter remove up as small as 0.3 microns. Use at Everywhere: The for bs08 replace filter could use with PARTU BS-08 at anywhere such as bedroom, living room, kitchen and office. Easy to install: fit for PARTU BS-08, no more cutting for HEPA filter. Replacement your old filter without others tool, save your time and convenient. We suggestion that replace filter about every 4-6 months to maintain maximum filtering performance. Material:plastic colour:Photo Color Package Contents: 2 * Air purifier filter elements Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.