No, mine is an attachment that fits under the seat. My concern is simply that you have a nozzle spraying water onto your body, and you don't have a way to trust

No, mine is an attachment that fits under the seat. My concern is simply that you have a nozzle spraying water onto your body, and you don't have a way to trust that nozzle is clean. At home, you can trust that, or if you don't you can clean it.