The Viper 1.6gpf Insulated Tank with a 12" Rough-In by Gerber Plumbing Fixtures is designed for high efficiency and performance. This insulated tank minimizes condensation, making it ideal for humid environments. With a 1.6 gallons per flush (gpf) rating, it promotes water conservation while ensuring effective waste removal. The 12" rough-in dimension allows for versatile installation options, making it suitable for various bathroom layouts. Crafted from durable materials, this tank is built to last, providing a reliable solution for modern plumbing needs.