The Filtercorp 1064NSF Inlet Hose is a 22.5-inch long hose with 3/8-inch NPT male fittings. It is designed to connect water supply lines to various water filtration systems, including reverse osmosis (RO) systems, under-sink filters, and refrigerator water filters. This hose ensures a secure and leak-free connection, facilitating the efficient flow of water through the filtration syst... https://partsfe.com/1064nsf-inlet-hose-22-5-l-3-8-npt-m