The only moving part of the AquaClear
filter. With proper maintenance will rarely need replaced.
Unplug the filter and empty the water out of the filter. Then take out the
intake tube of the filter and remove any casing that may be over the impeller.
Remove the old impeller and check for any damage that me be on the magnet and
it's housing. Replace with new impeller. Be sure to take out the new impeller
and clean it at least once every two months to ensure the long life of the