healthy and reliable: 100% lead- . the independent internal water supply system protects you from lead and nickel in drinking water. easy to install: the standard total length of the faucet stud is 2.36 inch, and the thickness of the countertop does not exceed 1.77 inch.we use the standard 1/2" hot and cold hose. the connector designed from the customer's point of view saves 50% installation time, even for novices. no noise splash: high quality aerator, soft water flow, no splash, no noise, save up to 30% water. good quality: the faucet's fastening parts are made of high quality brass. the ceramic disc valve is subjected to 500,000 opening and closing tests to ensure long-lasting operation. therefore, there may be water droplets in the product you receive. this is normal. please don't worry.