100% brand new and high qualityThe first layer electrostatic dust filters, capturing the charged dust, pollen and other allergens.The second layer UP photo catalytic titanium filters, adsorption and decomposition odor, bacteriafilter Model :folds filter BAC006A4C, BAC017A4CApplicable models : MC70KMV2 series and MCK57LMV2 series MC709MV2MC70KMV2-N MC70KMV2-R MC70KMV2-A MC70KMV2-K, MCK57LMV2-W MCK57LMV2-RMCK57LMV2-K MCK57LMV2-A MCK57LMV2-N MC709MV2Technical standardFiltration Efficiency : 90% for 0.3 m Nacl (H10)Uint Mass Deviation : 175 g/Resistance : 8 paAir Permeability :700 L/.sColor: blueMaterial: PP+PETPackage Contents: 1 x filterOnly the above package content, other products are not included.Note: Light 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.