2 Dyson DC07 Primary Washable Blue Foam Filters, Generic For Dyson Part 904979-02. 2 Pack Special 2 Pack Bundle Kit of Aftermarket Dyson DC07 Blue Foam Motor Filters, Generic For Dyson Part 904979-02. DOES NOT FIT ANY OTHER MODEL THAN THE DC07! Compatible with all Dyson DC07 Bagless Models and ONLY DC07 Never Wait for your Dyson DC07 Washable Motor Filter to Dry again! Our 2 Pack Special means you'll always have a clean, dry filter ready to use. Premium Quality Replacement Filters Designed in the USA Dyson Recommends Washing These filters once every 30 days, and replacing them every 6 months to maintain peak performance.