Eheim Water Pump: What can I do to reuse?

[nuart]

Hi all, I have an old Eheim water pump, used to power up a mini fountain. Wondering what can I do to reuse it pump into a canister filter for 4 X 1.5 X 1.5 ft tank. Can this work

[equidorz]

Hmmm. most probably yes, you first have to determine the flow rate and its functionality.