Kohler Comfort Height Two Piece Elongated Toilet Devonshire CollectionThis Devonshire two-piece toilet combines high efficiency with the old-world style of the Devonshire Suite. Its single 1.28-gallon flush setting provides significant water savings of up to 16,500 gallons per year (versus an old 3.5-gallon toilet) without sacrificing performance. An elongated bowl and comfortable height ensure ease of use.Comfort Height Elongated Toilet bowl - With a seat height comparable to that of a standard chair, Comfort Height toilets make sitting down and standing up easier for people of all ages 12 (30.5 cm) rough-in 30-1/2 x 17-1/4 x 31Class Five - provides tremendous bulk waste flushing performance and best-in-class bowl cleanliness 3-bolt Installation - Three pre-installed tank bolts save installation timeCanister flush valve provides smooth flushing actuation with consistent water usage, flush after flush 1.28 gpf high-efficiency toilets provide significant water savings of up to 16,500 gallons per year versus an old 3.5-gallon toilet without sacrificing performance Meets strict flushing performance guidelines established by the EPA's (Environmental Protection Agency) WaterSense program Qualifies as a HET (High-efficiency toilet) - consumer rebates are available in certain municipalities Polished chrome trip lever, less seat and supply Accessories (Sold Separately) : K-9167-L (Trip Lever) ,K-7637 (Angle Supply with Stop) ,K-4650 (Elongated Toilet Seat) Single-flush gravity uses the force of gravity and a precision-engineered tank, bowl, and trapway to create a strong siphon during flushing.Canister flush valve optimizes flush performance and resists warping and deterioration.Class Five flushing technology offers plug- and leak-free performance, extraordinary flushing, and better rinsing power for a cleaner bowl.Installation: Standard 12-inch rough-in. Three-bolt installation.Water Conservation & Rebates: WaterSense toilets meet strict EPA flushing guidelines, including using at least 20 percent less water than 1.6-gallon toilets. Eligible for consumer rebates in some municipalities.Dimensions: Height 30-3/4 Length 29-1/4 Width 17-1/4
I thought it doesnt work because it is so quiet. Execelent product from Kohler with many addons such as Kohler K-3837-7 - 1.28 GPF Two-Piece Elongated Toilet Bowl.