The EcoFlush B8104 1.1 GPF Pressure Assisted Flush System is a single control toilet part designed for use in the bathroom. It features a black polypropylene material construction and is suitable for American Standard and EcoFlush brand toilets. The system includes a pressure tank and flush valve, providing reliable flushing technology with a single flush capability. Made in the United States, this pressure-assisted flush system offers an efficient and effective solution for toilet flushing needs.