new and high quality. The first layer electrostatic dust filters, capturing the dust, pollen and other . The second layer UP photo catalytic titanium filters, adsorption and decomposition odor, . Filter Model :folds filter BAC006A4C, BAC017A4C Applicable models : for MC70KMV2 series and MCK57LMV2 series MC709MV2 MC70KMV2-N MC70KMV2-R MC70KMV2-A MC70KMV2-K, MCK57LMV2-W MCK57LMV2-RMCK57LMV2-K MCK57LMV2-A MCK57LMV2-N MC709MV2 Technical standard Filtration Efficiency : greater or equal to 90% for 0.3 m Nacl (H10) Uint Mass Deviation : 175 g/ Resistance : less than or equal to 8 pa Air Permeability :700 L/.s Colour: blue Material: PP+PET Size: unfolded size about 31x81cm Package Contents: 8 * Filter cotton Only 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.