Another ground breaking water conservation technology now available from Sustain Dane. Dual flush toilets offer a half flush for liquids and a full flush for "other". This can save a household of 4 can save up to 6,000 gallons of water per toilet even if they currently use a modern 1.6 gallons per flush toilet. By choosing a conversion kit, you get all the benefits of a dual-flush but without the cost and hassle of replacing your entire toilet.