The Free Flow Valve from Enviro Water is a revolutionary water free urinal system that will save water, prevent bad odours and reduce your costs. Each valve fitted to your systems will save up to 100,000 litres of water, every year, per urinal. The Enviro Water Free Flow Valve is the easy way to convert your standard urinals to water free. Becoming water free will make your washrooms cleaner and reduce limescale and blockages. It’s completely chemical free, easy-to-clean, simple to fit and no on-going maintenance is required.