Precise Compatibility: This toilet flush button replacement is specifically engineered for Siamp Optima 49 drain valves with no compatibility issues. It also fits similar models, enabling seamless installation without modifications Durable Abs Material: Made of high-quality ABS, the press push button round head toilet flush button is wear-resistant, corrosion-resistant, anti-aging, suitable for humid bathroom environments and durable enough for daily frequent use Efficient Flush Function This dual flush toilet push button offers dual flush (full/half flush for water saving) or single flush options. It presses smoothly without lag, effectively removing waste with one press to keep the toilet clean Stylish Modern Design: This push button toilet flush features a modern minimalist design with a rounded shape and silver finish. It blends perfectly with various modern bathroom decors, enhancing the bathroom's aesthetic appeal Wide Application: Suitable for residential and commercial bathrooms, fitting one-piece, two-piece toilets and regular toilets. It's an ideal toilet push button replacement for homeowners, landlords and maintenance professionals, Manufacturer: FENGfxcgs