Quickly and effortlessly switch lines between fittings with this stainless steel quick disconnect. This female quick disconnect with 1/2" NPT threads easily accepts the male version (either 40854 or 40857). Just press down on the female disconnect spring-loaded band and slide the male disconnect into place, then release the band to lock it down against the internal gasket. Use with hot or cold liquids up to 60 psi. Use caution when transferring hot liquids - the stainless disconnect will get hot to the touch.