It's good i have a PENN-PLAX cascade 1500 good filtration on any tank up to 200gal, it's not a bad filter i normaly go with EHEIM and i'm in the prosess of saving op for a new EHEIM filter they are the Farrari's of the filtration world the PENN-PLAX is proberbly a Range rover or for all you Americans the HUMMER ......LOL
