How can you adjust flow rate for Eheim 2128 canister filter?

Question by MyrKeD: How can you adjust flow rate for Eheim 2128 canister filter? I have a Eheim 2128 canister filter and many of the sites that sell the product states that you can adjust the flow rate? Does anyone know how? Best answer:

Answer by Mantra
Why don't you check here first and then send them a email http://www.eheim.com/pro2.htm

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