We offer discount for large quantity. Welcome to contact with us! 100% Band new and high quality.Replacement for: Premium BS-08 replace filter Compatible for PARTU BS-08.Easy to install and durable in use.Use real HEPA and activated carbon filters to remove 99.97% of allergies, dust, pollen, smoke, pet dander; filter particles as small as 0.3 Micrometre and larger, and filter PM 2.5 air pollution.High Wear-resistant and excellent durability.size: 16.3 x 13cmMaterial: plasticcolour: as shownPackage Contents:4 x Air purifier filter elementsOnly the above package content, other products are not included.Note: Light reflection 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.