Filters Should be changed after 6 months
washing it will not repair it after 6 months air will not pass through it properly anymore
If your dyson Smells when Hoovering or its lost RunTime & suction power its time to Change The Filter
New filters improve Run time + Suction power
if your filter is old and looks fairly clean all the time its faulty and no Air or dust is passing through it properly anymore
Replacement pre-filter for your Dyson vacuum cleaner.
Fits All Models Below
DC30 + DC31 + DC34 + DC35 + DC44 + DC45