This link was posted tonight in another thread. 28 bucks plus shipping for the 110 case
redm18;3454579; said:
If you feel a little uncomfortable with your switch a roo or you don't really want to mess with it. ( I ordered a bunch of aquaclear 70's back when the weird low price link thing worked and one of them was cracked) you can find a replacement part here. http://www.aquariumguys.com/aquaclearcase4.html
Its a little pricey but it is an option.