I was just given 2 of these canisters. I cant find much info on the internet about them... I have never used them before, I don't even know what size tank they are good for. Does any one have one of these? I need to be sure I have all the parts before I even think about trying to clean them up so they are fish safe. They have years of dirt and grime on them
Any help I can get would be much appreciated!

parts:

http://www.wetpetsusa.com/mama22pa.html

as far as info the 250 is rated for 55 gallons the 350 for 100 gallons so i would venture to say it is rated for anywhere between 65 to 90 gallons

Ok. So it may work as a secondary filter for my 90g. That is if I can get one to work.
Could you try to find a blow apart diagram for it? Or instructions? I didn't have luck on either. I don't think I'm missing pieces other than gaskets but I'd like to be sure if I can......

looks like the manual is the same fo rthe 220/350:

here you go

http://www.marineland.com/sites/Marineland/Documents/magnum_manual.pdf

You are amazing! Thank you so much!!!