KOHLER Highline Classic 12in. Rough In 2-Piece 1.6 GFP Single Flush Elongated Chair Height Toilet in Black, Seat Not IncludedKOHLER Highline Classic Black Toilet, 1. 6 GPF The KOHLER Highline Classic Toilet combines robust Pressure Lite technology with a sleek black finish, enhancing both style and functionality in any bathroom. Its elongated, chair height design ensures comfort and ADA compliance while delivering efficient 1. 6 gallon flush performance. Key Features: Pressure Lite Technology: Strong, efficient flush using only 1. 6 gallons per flush, ensuring cleanliness