Kohler K-18751-0 PureWash E525 Elongated Bidet Seat with Continuously Heated Water, Automatically UV Light Self-Cleaning Stainless Steel Wand, Front and Rear Wash Modes, Adjustable Water Temperature and Pressure, Quiet-Close, and Quick-Release Technologies – White. Product Type: Bidet Seats. Hinge Center to Center: 5.5. Length (Inside): 11.4375. Width (Inside): 8.3125. Installation Hardware Included: Yes. Design Features: Quick Release Seat, Soft Close. Tech Features: Front Cleansing Spray, Rear Cleansing Spray, Remote Control. Water Heating Method: Instant. Country Of Origin: China.