Yea the finally measured the tank and it's 18" wide, 24" tall and 72" long making it a 135. I agree with the center brace comment, it must be a real old tank and I really don't feel like redoing the seals for preventative measures.. I'll probably pass it up and keep looking. The problem is most people around here advertise tanks for sale and they really don't seem to want to sell them, i feel like a burden asking them questions lol.