1)About Under Sink Water Faucets: The gooseneck faucets are special for household UF and RO water filter system. We have over 30 models, lead-free, golden elec-plating, satin nickle, etc. The valve core has ceramic and plastic type. Material: Stainless steel or Copper Heave weight and no leakage. . 3)Pictures of Water Filter Faucet: