It's too wide across the length- i.e. like you said above across the front if you look at it. I have one of these and it just fitted on the side of the tank instead but I had to cut and reglue the flange- I was using it for a minitank whilst I was teaching a mandarin to eat,. There is no way it'll fit on the longer side of the tank because of the fixed glass pane.
You'll have to go the AC 70
otherwise have a look at MTG's journal- i can't remember which tank of his-he got a shmick in tank sump made of acrylic that you can slide in and out MTG
You'll have to go the AC 70
otherwise have a look at MTG's journal- i can't remember which tank of his-he got a shmick in tank sump made of acrylic that you can slide in and out MTG