What your looking at is basicly a cheap chinese knock off filter whos best design feature is to make money, Parts will be hard to come by and these companies change names and go out of buissness every few months it seems so support is also a joke. Quality control is poor at best so while you might get an acceptable filter....your more likely to have problems.
The price really isn't that great IMO to put up with all of the negitives, Shop sales and pick up a Rena xp series or find a better filter on line used...
UV sterilizers sound like a good idea but in reality what they filter out most of all is money out of your wallet. they cost a lot to run and the bulbs...especially on the bargan units....need replaced with disterbing frequancy at a higher price than youd like so most of them are ignored long after they are no longer effective.
A Fluval 305 is in the same price range...much better built...has a LOT more flow....available parts...and is built by a company that will still be around in 30 years.