[VALUABLE PACKAGE]: Includes 4 PACK high efficiency filter and 1 pack free cleaning brush. Made of materials with superb absorption properties to effectively help you cleaning the dirt and fresh the air in your house [COMPATIBLE MODEL]: Compatible with 1785, 1785A, 1785G, 1785B, 1785F, 2328,2305, 2305K, 17853, 17854, 17855, 17856, 1785Q,17852, 17858, 17859, 1785P, 1785R, 1785T, 1785V, 1785W, 2303, 2306A, 2306, 23062, 23068, 2551, 25519, 2554A, 2554, 25542, 25548, 2590, 2593, 2596, 2596M . Compare to Part # 1608684, Before purchasing, please note check your vacuum cleaner model as well as the shape and size of your vacuum filter [RECOMMEND REPLACE FILTERS EVERY 2-3 MONTH]: Because of long-term use, bissel vacuum filter may cause dirt to build up, resulting in a significant reduction in the vacuum cleaner's suction power, to your vacuum cleaner running at performance, recommend replace filters every 2-3 month, Regularly clean by hand washing in warm water to maintain the filter(Please