OPTIMIZED FOR TWO-PIECE PRESSURE ASSIST TOILETS: Designed specifically to replace or upgrade Flushmate-equipped 1.6 GPF pressure-assist toilets. Provides peak performance and compatibility while reducing water use compared to outdated 3.5+ GPF systems GENUINE FLUSHMATE REPLACEMENT: The system is an official factory replacement for Flushmate Model 503 Series and Series III systems. It is backed by leading toilet manufacturers for quality assurance and performance in new or upgraded installations PRESSURE-ASSISTED FLUSH PERFORMANCE: Uses compressed air instead of gravity to deliver a high-performance, single-flush with superior waste removal. This pressure-assisted system ensures a cleaner, more reliable flush and reducing clogs POWERFUL FLUSHING AND SCRUBBING: Delivers a cleaner bowl after every flush with high-velocity water that scrubs away residue and reduces streaking. This helps to minimize the need for double flushing, saving water while maintaining a more hygienic bowl COMPLETE, QUICK INSTALLATION: The system comes with all required gaskets, seals, and easy-to-follow online instructions. Designed for fast installation by plumbers or DIYers, there's no complicated setup, just reliable, ready-to-use performance