I have a MRC MR3 Clone skimmer / prototype I built for sale.
You can browse the pictures of it at
http://www.premiumpowersports.com/forsale/MR3Prototype/
It's 28" tall, Box footprint is 11.5" x 7" and it's 8" tall. Footprint with 1.5" gate valve is 11.5" x 11". Comes with everything shown, including becket with air throttle valve.
The collection cup sits on top of the riser and has 8 holes drilled for nylon screws, but you don't need them. It's heavy enough that you can just sit it on there and it won't leak. Comes with Gasket. YOu can just put 2 nylon screws to keep the cup from getting knocked off. Cup has a screw on lid.
Asking $175.00 Shipped. It doesn't leak at all, so it can be used external to sump.
Thanks,
Jaim wolfe
574-532-0683