This is a Kohler 18751-0 PureWash E525 elongated warm water bidet toilet seat. This is an open box item. It does not appear to have ever been used or installed. It has been handled. Kohler Quiet Close Toilet Seat features a quiet close lid that closes slowly and silently without slamming; hybrid heater provides continuously heated water for consistent comfort, and front and rear wash modes provide warm water for cleansing. Grip-tight bumpers prevent the toilet seat from shifting during use and add stability. Quick release hinges allow for easy removal and convenient toilet cleaning; to clean, simply use a soft, dampened sponge or cloth. Quick-attach hardware for fast and secure installation, with color matched plastic hinges included; requires connection to toilet water supply line; all hoses and connections are included.