OBSERVA Square Twin Valve Brass Product Details Company Name Cavalier Marketing Brand Name Niagara Model Number 9310BRS Maximum Flow Rate 10 l/min Category Shower Control Product Description OBSERVA Square Twin Valve Brass Available In United Kingdom Efficiency Rating Chart Company name:Cavalier Marketing Model:9310BRS 10 l/min 669.36 kWh/p.a. www.uwla.eu