Will also fit the AquaMax Eco Classic 3500 Pond Pump (in place of part no 21912). NOTE - Will not fit the new AquaMax 3500E. Fits Oase AquaMax 3500 Pump. Oase AquaMax 3500. Will also fit the Oase Aquamax Eco Classic 3500 and can be used in place of Part no 21912.
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