Good filter ... Good filter ... Sunsun stand right on top with eheim.
Maybe even better since the price is awesome.
For a down up filter I would pick the sunsun anyday.
For filter like the fx5 that suck water from the middle.
I go with the fx5 brother the cfs500
People who never ever use one shouldn't write a review.
Don't believe everything you see online.
When a sunsun/aquatop/perfect can last 20+ years you might be able to make that claim, not knocking the thing in any way just sayin.
You must put into play that the Eheims come with all the media so your not saving that much, granted you could fill it with pot scrubbies but you can't deny Eheim produces top notch media along with the product.