New Tempesta 100 shower rail set 1 spray, 9.5l/min, 920mm Product Details Company Name Grohe UK Ltd. Brand Name GROHE Model Number 27925000 Maximum Flow Rate 9.5 litres Category Shower Handsets Available In United Kingdom Efficiency Rating Chart Company name:Grohe UK Ltd. Model:27925000 9.5 litres 635.89 kWh/p.a.