I saw thes on ebay, said to be around 1300gph, they look like they can hold a good amount of media. What are your thoughts on these, pros/cons, would there be any reason you couldnt use them on a tank. let me hear your thoughts.
http://cgi.ebay.com/Pond-Pressured-...ltDomain_0?hash=item519086f9e4#ht_2624wt_1165
http://cgi.ebay.com/Pond-Pressured-...ltDomain_0?hash=item519086f9e4#ht_2624wt_1165