I absolutely LOVE FilStars. I have two XP2 canisters. One is fairly new, the other three years old, and both have been completely trouble free. The newer models come with tubing and spraybar/output nozzles that click together, it's a nice little detail. Maintenance is super easy, the media is decent quality and they're really well constructed. Eheims, Fluvals and other canisters do the job just as well, but overall for price and quality I'd choose FilStar hands down.