High-Tech DIY Aquarium Sump

This is one of the most complicated sumps I've ever seen! This sump has a built in top-off system, cooling section and a chamber to do a water change while the pump is running. The creator of this video doesn't have a link to all the specs, but if you're savvy enough, you could probably figure out everything from the video. The only dimensions for this sump is 115 x 54 x 60 cm / 37 (45.27" x 21.25" x 23.62" / 98gal).

..and here's the sump in action: