Hybrid heater provides continuously heated water for consistent comfort. LED lighting illuminates the bowl to serve as a nightlight. Heated seat with five temperature settings. Front and rear wash modes provide warm water for cleansing. Adjustable water temperature and water pressure. Side-mounted control panel is accessible and easy to use. Self-cleaning function uses UV light to automatically clean the wand surfaces. Quiet-Close elongated lid and seat prevents slamming. Quick-Release functionality allows seat to be removed easily from toilet for convenient cleaning. Toilet seats are not returnable to Kohler Co. If opened or outside of original packaging. Fits most elongated toilets. Kohler K-26132-CSP Technologies and Benefits. Quiet-Close: Innovative features include technology that prevents lids from slamming and seats that remove easily for cleaning. The Quiet-Close toilet seats are engineered to close with the slightest touch, reducing unwanted noise often associated with lid slamming. Quick-Release: Quick-Release toilet seat technology is an ingenious feature that allows you to remove your toilet seat within seconds and makes cleaning easy. No tools necessary for installation or removal. Height: 4-3/4 (top to bottom). Depth (Projection): 20-5/8 (back of the hinges to the front most part of the seat). Width: 16-15/16 (left edge to the right edge of the inner opening of the seat). Inside Length: 11-7/16 (back to the front of the inner opening of the seat). Inside Width: 8-1/4 (left edge to the right edge of the inner opening of the seat). Distance Required Between Installation Holes: 5-1/2.