SIAMP Optima 49 Toilet Cistern Flush Syphon Replacement, Dual Flush Valve, White

WRAS Approved: Both components meet rigorous water regulations for safety and efficiency. Pre-fitted Compatibility: Flush valve is compatible with products from Vitra, Twyford, Lecico, Roca, and others. Easy Replacement: Can replace an existing Siamp flush valve without removing the cistern from the wc pan. Dual Flush System: Offers options for both a full and a reduced flush, promoting water conservation. Adjustable Height and Overflow: Allows customization for varying cistern sizes, with height adjustable from 300mm to 448mm and overflow adjustable between 155mm to 245mm., Manufacturer: Twyford