Posted on December 9, 2017 by clement23_adminK-4774-0 Brevia Kohler thickness in mm Amazon.com: Kohler K-4774-0 Brevia with Quick-Release … TOILET SEAT K-4774 – KOHLER KOHLER Brevia Elongated Closed Front Toilet Seat with … KOHLER K-4774-0 Brevia with Quick-Release Hinges Elongated …