The NEW American Standard 4225A004.020 Champion PRO 1.6 GPF 12-Inch Rough Tank is a high-quality plumbing fixture designed for use in residential and commercial settings. Produced by American Standard, a trusted brand in the industry, this tank is specifically manufactured to last and provide efficient water usage. With a 1.6 gallons per flush rate and a 12-inch rough tank size, this product is ideal for installations that require reliable and durable plumbing solutions. Overall, this Champion PRO tank meets the standards of excellence set by American Standard for plumbing fixtures.