Ideal for homeowners upgrading bathrooms and for industrial facilities that require a strong, lowmaintenance flushing valve solution. Provides rapid, volume liquid discharge to improve efficiency and control in fluid handling. Ergonomic pneumatic button with leak resistance features, enabling easy operation and reliable performance under demand. Constructed from strong ABS and erosionresistant copper to withstand pressure environments while delivering longterm reliability and wear resistance. Installation hole diameter: 66 to 75 mm. Engineered with an innovative double flushing valve system and large diameter design for fast discharge and efficient operation. Built for durability and performance, capable of withstanding demanding service while maintaining consistent flushing quality. Compatibility and use cases: suitable for residential bathroom remodels, commercial restrooms in offices or retail settings, and industrial facilities that require robust, lowmaintenance flushing valve solutions. Use scenario 1: A multistory residential renovation where a reliable, lowmaintenance valve is needed to support usage bathrooms. Use scenario 2: A factory or warehouse rest area that demands durable fixtures with rapid flush response to accommodate visitor turnover. Use scenario 3: A shopping mall or office building with multiple restrooms requiring a robust, longlasting flushing valve that minimizes maintenance downtime.