Description DeVilbiss 1/4″ BSP Female (8mm (5/16″) hose bore (P-HC-4527) This connector is designed to self close onto the end of the hose without crimping, significantly increasing security and safety, without diminishing the inner radius. Reusable, once the rubber of the hose has worn down, simply cut off the end and refix. For use with H-7501
