Adapters for use with manifolds such as AF-0450 through AF-0454 to permit port connection to standard rubber hose. Adapters have hooks just below the grind for use with CG-110 stainless steel springs. The 24/40 size is available with a constriction above the serrated hose connection to permit bowl area to be filled with glass wool preventing solids from being drawn into the manifold. Size of hose connection is at the middle serration.