I'm not familiar with this toilet, but you might try PlumbingSupply.com. There is one for an Elger that might work.
Rectangular
Rectangular prism
rectangular shaped CD ROM disks do not work in the normal front-loading mechanisms such as car CD players or in computers. They only work in standard tray-loading mechanisms! They work like a USB stick which transfers the information to the PC.
American money is rectangular shaped, white and green with one of our many presidents on the front and with American monuments or the bald eagle and a pyramid on the back with the amount of money on the corners
Rectangular prism
American money is rectangular shaped, white and green with one of our many presidents on the front and with American monuments or the bald eagle and a pyramid on the back with the amount of money on the corners
You are either talking about a cube or a rectangular prism.
Cuboids.
rectangular shaped houses for Carib warriors
Butter
Rectangular prism
Rectangular prisms are efficient shapes for packing into boxes from shipping.