A16930 AquaClear Impeller Assembly, 70 Powerhead A16930 AquaClear impeller assembly can be used with AquaClear 70 powerhead Powerhead improves water circulation and filtration Durable and easy to replace This item fits the AquaClear 70/802 Power Head (A570) If you are looking for only actual filter look for A636 AquaClear Impeller Assembly which is another product