I don't know the brand, but the closest is AE Tech
Sump Buddy 40 DownDraft Protein Skimmer by AE Tech - AquaCave
You hookup main pump to the sump and output to the tank and skimmer. It is a in sump skimmer.
Thanks,
Daniil
High performance acrylic downdraft protein skimmer.
Efficient to Tank Size: 40-150 gallons.
Dimensions: 9" x 6" x 19"
More pics. upon request.
I'll sell for $110.00 shipped