Kohler K-4403-NG Kathryn Toilet Tank, Tea Green Kohler plumbing products mean beautiful form as much as reliable function Combines with the K-4258 Kathryn Comfort Height(TM) elongated bowl to create the K-3484 Kathryn Comfort Height elongated toilet Constructed of Vitreous China KOHLER Comfort Height design available on select KOHLER toilets