KOHLER K-4645-TR-0 Highline Pressure Lite Toilet Tank, White KOHLER plumbing products mean beautiful form as much as reliable function Combine with K-4304 or K-4304-L to create K-3493-TR Highline Pressure-Lite toilet with tank cover locks and right-hand trip lever Please see K-3493 Highline Pressure-Lite toilet for full details Constructed of Vitreous China