The Marineland Penguin 150B Impeller Assembly replaces the old, worn out impeller in your Penguin 200B aquarium power filter. Old or broken impellers can result in poor circulation, cloudy water, and even an unpleasant grinding noise.
Old impellers can result in decreased water flow, poor circulation, and, in some cases, even an unpleasant grinding noise. Replace the impeller to reinvigorate your filter with strong, silent water pull and maximum circulation.
Note: Will not fit Penguin 100B and Penguin 200B power filters.