The Impeller is the only moving part of the Aqua Clear filter. With proper maintenance it will rarely need to be replaced. The impeller is a white, 6 blade assembly with a magnet.
Replacement Impeller for AquaClear Power Filters
Fits Replacement Motor Model # A16000 or A16400
Hagen AquaClear 70 Powerhead formerly AquaClear 802 replacement Impeller Assembly packaged in a blister box.Does not come with the steel impeller shaft!