Sera prefix filter after 1 week

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=wuEHbEdcCKM

Sera prefix filter catches all the crap! Seriously this thing should really increase time between filter services.

Sera, pre filter, prefix filter, booster, backup, aquarium, canister filter, fish, fish tank, inline, in line, Co2 reactor
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