Multi-layer Plating Process The finish works well on rust and corrosion resistance. Although it works in high-moisture environment for years, it has no stains ,smudges and fingerprints, easy to clean and low maintenance. No-splash honeycomb Aerator This faucet is designed in ace angle shape aiming to protect children and elder family and not to be injured. The areator mixing water flow with air can provides soft and bubbly stream effectively preventing strong water pressure from causing splashes, keeping the countertop dry. Adjustable Water Temperature Knob Simple design can effitively help save water bill and reduce engery waste, which you just need to rotate it to a suitable temperature. Easy to adjust and make life more convenient. Durable Mounting Stem *stem length:1.92in simlar as half dollar suitable deck thickness:1.57in *stem diameter:1.29in *suitable basin Dia:1.299-1.969in #please confirm&measure ur basin hole before purchasing HALO HANDS FREE FAUCET DETAILS Hose With Filter Net The filter net effectively blocks debris, dirt, and other particles from entering the hose, ensuring cleaner water flow and preventing clogs in the hose then affect the lifespan of the solenoid valve. KIND REMINDER: Please let water flow a second while u install water hose and your valves in case impurities flow into solenoid valves causing faucet dripping or water keep flowing .Please use teflon tape wrap them in order to reducing leaking risks. Crucial Solenoid Valve Solenoid valve is a crucial part of sensor faucet, please make sure joints cleaning while you install flexbile hose on your valves.let water flow a while in order to prevent dirt flow into solenoid vavle.otherwise it will cause faucet dripping ,running or no water coming problem. if it happened.please contact seller at your earliest convenience for resolving problem. We promised deal with it within 24 hours. Premium Graded H59 Brass H59 brass has excellent corrosion resistance, making it highly durable in wet environments and ensuring long-term performance without rust or degradation. They are often used in environments requiring high cleanliness, such as kitchens and hospitals.