Thanks, The one in the center is made by rpg. it is 6ftx4ft made out of cherry.(all 225 lbs of it)to the left and right are abfusors also made by rpg. they are 2ftx4ft(two side by side and one on the top) the front wall that they are placed on is 16 feet wide x 8.3 feet high.. I see in your pics. that your room is under const. look like a very nice room.. Thanks for looking.....