Sorry I didn't answer sooner - working too hard. Yes, it is for my 55 gallon but I was hoping to one day upgrade to a larger tank, so buying a skimmer that is oversized for this tank is fine.
Rogue Wave is a HOT skimmer rated up to 150 gallons. I would use it up to 125g. Footprint is 12" x 3" and 19" tall.
BPS-3C is an in sump skimmer rated up to 300 gallons. I would go up to 250g on this one. Footprint is 7" x 5", however, it is 23" tall. Not sure if you're precise on your 22" height requirement.