FlushLine Toilet Flapper for Kohler Shark Top GP84138, 84313, 85655, 89825, 2-inch Toilet Flapper 2-inch flapper  for Kohler Shark Top toilet Fits Kohler one-piece toilets; Low water consumption bulb Stainless steel D-Chain and loop hook Repair deteriorated flush valve seats without removing tank Made in the USA; Chlorine and hard water resistant