"I don't get the in the wall thing though. Must be hard to do maintenance on it."
Fashion never thinks off being easy or practical look at womens shoe's high heels no use other than damage the body but they think it makes them look sexy??
Tanks are harder enought to do maintance on without adding extra work to them look the wall types need extra long tools which are very hard to use.
When i started my first job i used to have to clean the weird things from wall types throught to the tall 6-8 foot tall plastic towers.( no wonder i still don't like the weirdo type tanks.
Alot of weird tanks are still available to buy thought some Asian suppliers but you need alot of coin...!
