Kelica CUPC Certified Faucet Connector, Braided Flexible Stainless Steel Water Supply Hoses 3/8-Inch Female Compression Thread x M10 Male Connector, 2 Pcs (1 Pair) IAPMO/CUPC certified, two hoses(Hot/Cold) included Premium SUS304 stainless steel braided outer tube with brass connectors Thick EPDM inner hose, green material & non-toxic Universal M10 male connection to vessel sink faucet. Fits most vessel sink faucets US Universal 3/8 connection to water supply tubes