Toilet Seat With Round Front And Grip-Tight Bumpers, White, Kohler, Close. Experience a new level of freshness with this KOHLER Purefresh toilet seat. Purefresh combines a carbon deodorizing system that neutralizes odors and a built-in freshener that releases a light scent. This battery-operated seat also includes Nightlight illumination so you can safely locate your toilet in the dark. Unique Grip-Tight bumpers hold the seat firmly in place and prevent shifting. This seat features Quiet-Close technology that prevents the seat from slamming and simplifies both cleaning and installation. Neutralizes odors continuously for up to 6 months (replaceable carbon filter) Integrated freshener fills air with a light, subtle scent for up to 1 month (replaceable scent pack) Programmable 8-hour dual LED nightlight offers both guide and task lighting, no matter if the lid is up or down Quiet-Close seat and lid w/ Quick-Release functionality allows seat to close quietly and quickly unlatch from the toilet for easy removal and cleaning Up to 6 months of battery life (uses 2 D batteries, not included), estimated on usage and brand of batteries