While toilet bowls are designed such that the contents are supposed to flush downward, scientists have known for decades that small particles – including those from water, waste and toilet paper – can ...

You find wall-mounted toilets more often in commercial ... uses a canister to control a gravity-flush system. A dual-flush toilet features two flush buttons on the top of the tank.

A wall-hanging Water Closet Bowl, rimless with washdown. If required, a removable WC seat and cover, with lowering system 891851 can be ordered separately. Laufen's invention of the material ...