【Material】:Maximum Flow Rate:1.19gpm. 4.5L/min. Constructed of SUS304 Stainless Steel, sturdy and heavy-duty. It will not leak. Great pressure, sometimes you may need to turn the water pressure down for better use. 【Waterfall Design】:The ultra-wide waterfall spout design make large water flow. Finish resist corrosion and can prevent tarnishing, highly reflective. 【Easy Installation】: The faucet installation hole size can be used for the sink with hole diameter from 25mm（0.98inch） to 38mm（1.5inch