Sanitary Ware in Wall Hidden Toilet Water Tank HDPE Concealed Dual Flush Cistern for Wall Hung Mounted Toilets. Dual-Flush Water Efficiency: 3-4.5L/6-7.5L flush volume for optimized water conservation. 3-Year Warranty Coverage: Comprehensive protection for all mechanical defects. HDPE Material Construction: Durable, corrosion-resistant one-piece tank structure. CE Certification: Ensures full compliance with EU safety and quality standards. Color Customization Available: Products can be manufactured in specific colors per customer requirement. OEM/ODM Services: Custom branding and manufacturing solutions are welcomed. Online Technical Support: Professional assistance available for installation and usage. Entry Wall Mounting: Designed for concealed installation in wall-hung toilets.