Are these any good?

[ilikewomen]

I have a 110 gallon tank and a 800gph pump and i want to use this
http://cgi.ebay.com/WAYNE-66093-Pon...yZ103440QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
in conjunction with an fbf,anyone have experience with them?should i just make a sump?thanks for the help.

 

[cassharper]

looks like a big unpressurized canister to me...