I have one. In my washing machine (LG) rinsing slot... I know, because I always have to be very careful not to overfill it. But usually there is some leftower

I have one. In my washing machine (LG) rinsing slot... I know, because I always have to be very careful not to overfill it. But usually there is some leftower water in its pipe so it does not keep the fluid even if I not overfill - so nowadays I routinely take it apart and shake it dry before each washing - clever but not to convenient...