High quality First layer electrostatic dust filter captures charged dust, pollen, and other allergens Second layer UP photocatalytic titanium filter for adsorption and decomposition of odors Filter: Folds filter BAC006A4C, BAC017A4C Compatible models: MC70KMV2 series, MCK57LMV2 series, MC709MV2 MC70KMV2-N, MC70KMV2-R, MC70KMV2-A, MC70KMV2-K, MCK57LMV2-W, MCK57LMV2-R, MCK57LMV2-K, MCK57LMV2-A, MCK57LMV2-N, MC709MV2 Color: Blue Material: Filter cotton Package Contents: 4 x Purifier filter Note: The package includes only the items listed above; other products are not included Note: Due to light reflection and display differences, the color may vary slightly from the actual product Measurement error allowance: +/- 1-3 cm