Coordinating Complete Toilets: 2817.128 - Elongated toilet with chair-height bowl Product Features: Fully covered under a 10 year warranty - 10 times the industry standard Quick, quiet flushing - American Standard toilets are famously efficient and hushed Industry-leading flushing system out-performs older toilets while using less than 1/2 the water Tank flushing components specially engineered to withstand chemically-treated urban water EverClean porcelain surface is extremely easy to keep clean Left mounted tank lever Perfected porcelain casting process and adjustable tank anchors eliminate "tank wobbles" Straight-forward installation instructions are included with each tank 100% factory flush tested - guaranteed to perform Flush Valve Size: 3" (diameter of the inlet for water entering bowl from tank) Flow Rate: 1.28 GPF (gallons-per-flush) Tank Technologies / Benefits: 3 flush valve The flush starts with a flushing system that employs a 3 valve opening, allowing water to enter the bowl at a much faster rate than the industry standard 2 flush valve. Controlled by a flapper that is engineered to be chemical-resistant, American Standard flushing systems are highly regarded for their durability. Everclean Surface Using the antimicrobial properties of silver (the precious metal) , Everclean Surfaces inhibit the growth of bacteria, mold, and mildew. The super smooth, baked-in, mirror-like surface not only eliminates unsightly rings, but also helps repel toilet messes. About American Standard:An American brand with over 140 years of innovations, American Standard is defined by experience, intelligence, and indelible influence. As the patriarch for nearly every key product category for the kitchen and bath, their offering shows a level of thoughtfulness and sophistication that could only be attributed to a company with a legacy as rich as that of American Standard. Today, professional plumbers and contemporary DIY home owners continue to turn to American Standard because they appreciate this legacy and know they can trust the innovations behind each product. It is for this reason that American Standard is so widely used within residential and commercial projects in both the United States and abroad - their products truly deliver, just as they have for generations.
I had various toilet tanks from American Standard, but American Standard 4216.128 Town Square Luxury Toilet Tank with Performance Flush White Fixture Vitreous China seems the high-grade!