Stop a running toilet with this Lasco replacement flapper seal designed for Coast and Kohler flush valves. The rubber construction provides a reliable seal to prevent water from continuously flowing from the tank into the bowl. The stretch-over design makes installation quick without tools.

• Fits Coast and Kohler toilet flush valves
• Rubber construction for a reliable watertight seal
• Stretch-over installation - no tools required
• Stops running toilets caused by a worn flapper

Tip: Clean the flush valve seat before installing the new flapper to ensure a proper seal.