NIB K&H Thermo-Kitty Sill - Heated. Dual thermostats. Energy efficient. Always soft and warm. Adjustable brackets. Removable heater. Item is discontinued. It didn't fit our needs. $50 or best offer. Porch pickup in Ellicott City. Shipping available paid by buyer. Cash, Venmo or Zelle. Serious inquiries only. No ghosting. Please see my other listings.