I Read All The Time About People That Really Like The Fluval Filters, So When I Moved To A 70g Tank I Bought The Fluval 404. I've Had It Running Since Feb 05. This Past Week I Woke Up To A Strange Noise. Ivery Shortly Discovered That My Filter Had Leaked About 40g Of Water On My Carpeted Floor. I Was Leaking Around The O Ring Of The Lid. I Called My Lfs And They Said They Very Often Have Complaints Of The Same Thing Happening. Their Normal Return Policy Is 30-60 Days But Since They Have Had So Many Complaints They Took It Back. I Bought A Emperor 400 Instead. I Relly Didn't Care For The Fluval And I Am Actually GlaD I Had A Reason To Return It.