GENUINE OASE AQUAMAX ECO PREMIUM REPLACEMENT POND PUMP IMPELLERS. 4/6/8/12/16/20

17965 - fits Aquamax Eco Premium 12000 and 16000, and Oase Eco Twin 20000 and 30000 (2 impellers per pump). 17964 - fits Aquamax Eco Premium 4000, 6000, 8000. 21459 - fits Aquamax Eco Premium 10000.

eBay