0.5 bar water pressure required, best results achieved with 1.0 You may need to use waterproof pfte tape or silicone to prevent the water leak out Product Size: Height approximately: 285mm Spout projection approximately: 205mm Sink tap hole diameter required approximately: 35mm Suitable for worktops/sinks up to 40mm thickness Braided flexible hoses: 10mm (bore) x 350mm (length) x 1/2 inch (female nut connector) Working Requirements: For this tap to operate efficiently your water system will need to produce at least 0.5 bar of pressure, though we recommend 1.0 bar for best performance. This can be achieved if you have one of the following: Combination boiler systems Gravity fed systems (only with pump) Megaflow system Pumped hot water systems Un-vented hot water systems Standard pressurised hot water cylinder type systems What's In The Box? Comes complete with all fittings to be installed straight out of the box Luxury Designer Modern Mixer Tap Braided flexible hoses 'Easy-Fit' no tools required fitting kit Kelvenix Kitchen Sink Mixer Taps Swivel Spout Twin Lever in Silver