Fit model - These 3418 filters fit Bissell SurfaceSense and MultiClean uprights including models 3418, 3415, 3402, 3409, 3774F, 3774, 3774G, 3775, and 3404 PowerLifter. Not compatible with Bissell models 2998, 2999, or 3125W. Please verify your vacuum model before purchasing. Comparable parts - Comparable to Bissell part numbers 1635630, 1603437, and 1635629. Compatible with Bissell 3418 vacuum models 3402, 3415, 3409, 3774F, 3774, 3774G, 3775, and 3404. Contents - 2 replacement post-motor filters - 4 pre-motor foam and felt filters Filtration performance - Premium 3418 vacuum filters with H13 efficiency - Captures 99.97 percent of particles as small as 0.3 microns Use scenarios - Routine maintenance: replace worn post-motor and pre-motor filters to maintain suction and protect the vacuum motor. - Allergy and pet care: high efficiency filtration reduces dust, dander and fine particles circulated in the room. - Regular deep cleans: suitable for homes with higher dust levels or frequent cleaning, helping maintain consistent vacuum performance between replacements. Materials and design - Includes post-motor and pre-motor foam and felt filter components designed for the 3418 series usage.