Fluval Fx5 Canister Filter

I just bought my first filter cartridge, the Fluval FX5. A person who owns this filter please tell me what I need to buy media or is he everything. The filter is not yet come to my house and want to go out and get the equipment if im missing something before it's here.

http://www.drsfostersmith.com/Product/Pr ...
is it the right it says you must purchase the media for him

It comes with everything ... when I was 5 years ago .... but I heard my friends .. Thay said Fluval make cheap now ... Thay stop giving u bio-rings .. then u may want to look in the bio-filter rings .. .. next to what I think u are all ready to go!
good luck and hope it helps