Jabsco Manual Standard Marine Toilet The Jabsco Manual Marine Toilet is an intuitive, and simple to use TwistnLock action handle that guards against syphonic flooding and waste backflow. With one easy 90 degree turn of the handle, the lock is applied. Turning the handle back to the natural operating position opens the lock again. This marine toilet features a luxury wooden seat and cover with tough baked enamel coating, and an easy-to-clean hygienic white ceramic bowl. Features Easy to clean whi