Kohler K-26132-CSP-0 PureWash E545 Elongated Closed-Front Bidet Seat with Heated Seat, Adjustable Water Temperature and Pressure, Front and Rear Wash Modes, Automatically UV Light Self-Cleaning Wand, Quiet-Close, Quick-Release, and LED Night Light Technologies – White. Product Type: Bidet Seats. Hinge Center to Center: 5.5. Length (Inside): 11.4375. Width (Inside): 8.25. Installation Hardware Included: Yes. Control Type: Fixed Panel. Design Features: Non-Electric, Quick Release Seat, Soft Close. Tech Features: Front Cleansing Spray, Heated Seat, Night Light, Rear Cleansing Spray. Approved for Commercial Use: No. ASME Code: A112.4.2. Country Of Origin: China.