9" Tank Base Only for use on polyglass tanks
Should fit on any brand, but may not be "tight" fit on all brands.
Base is "installed" by placing the tank onto the Base,
and LIFTING up the Tank ( with two hands or a "hug" ) about a foot,
then drop on hard level surface straight down.
Repeat if appears to be "crooked",
until you have it standing straight up ( level ).Tank Diameter - How To Measure and Why It Matters