There are additionally many advantages; for example, it is possible to install the heated toilet seat or onsui senjo benza, the user can do his business comfortably, it is resistant to bad smell because the feces drop directly in the water, it is good for piles, the basin and the basin's surroundings are resistant to filth, and so on.
他には、暖房便座や温水洗浄便座の設置が可能であり、快適な排便が出来る、汚物が溜水面に直接落ちるため悪臭が発生しにくい、痔に優しいとする意見も多い、便器や便器の周囲が汚れにくいなどの点がある。