The KNHA0823K is a high-quality, durable, heated hot melt hose with braided sleeving and an RTD-controlled heater wire. The hose fits Keystone K-Series melters, and is compatible with Nordson 2300, 3000, ProBlue, and DuraBlue melters. In fact, the part is an aftermarket equivalent to 100122, 21227-08-N, 21227-08-R, 274793, 981XX006, X100122, and X274793. This hose also fits ITW Quattro and Dynapack melters, as well as Melton melters. The hose is designed for use with automatic applicator heads. The electrical connectors of KNHA0823K are rectangular and have clips to hold the connectors in place