Anyone know the actual size of the IRIS CB-70 tubs? Or better yet...anyone with a home made rack have actual space measurements for the CB-70 tub?

The reason I am asking is that are several different size listed on the internet.

http://www.arscaging.com/htm/tubs.html
ARS-70 (may not be exact replacemetn for the CB-70)
33x17x5.25

http://www.habitatsystemsltd.com/
HS-CB-70
33.5x17.75x5.25

http://www.reptiletubs.com/
CB-70
33.5x17.75x6

http://www.irisusainc.com
B-70
33.5x17.75x6



Working on plans for a homemade rack!
Thanks!