There is one cheap Mexican brand of filters and other accesories that actually makes a micro inside power filter. It is like 3x1x1 inches or so, for 10-12 bucks. It is really diminute, silent too, It holds only sponge, but does much greater filtration for nano-tanks, turle tanks or paludariums than air-pump-powered lousy devices.
It is sold under the name of "Atlantis", Aquarama brand I think. If you're in Texas it could be not so difficult to find some the way to get one.
I'm not familiar with Red Sea products. This filter looks just like a miniature internal fluval.
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