Material - Solid brass construction, SEDAL ceramic disc cartridge and superior aerator faucet formed, lay the foundation for long-term use. Commercial Pull Down Design - 24" Pull Down Hose Easy to clean the sink without blind spots and fits almost any kitchen cabinet. Superior corrosion and rust-resistant coating prevents dirt from sticking to the faucet surface. Dual Function Sprayer - Two spray modes allow you to easily switch between splash- aerated stream and powerful cleaning rinse. 3-Way Kitchen Faucet - Includes Hot & Cold and RO water (under sink filtration system) faucet function to save space and money. The faucet comes with a 1/4" filtered water pipe connection adapter and a 3/8" adapter for RO reverse osmosis system, you can choose the suitable size for using. No Additional Tool Installation Support - Complete tool accessories. 3/8" Cold and hot water lines. Fits most US kitchen pipes. (The faucet comes with professional English Installation Guide document on the product detail page.)