Blue Female Aluminium DIN Dust Cap - HS CODE - 7609000090  C.O.O. - TW High quality machined Aluminium protective cover cap for use on SCUBA Diving Regulator 1st Stages, Air Filters, and Compressor Charging Hoses etc. with a standard male EN-144-1 type G5/8? DIN fitting. Metallic Blue in colour, provides protection against damaging dents, scrapes and scratches & also prevents contamination of your DIN fitted components by providing a defensive cover. Conveniently and securely attached to adjacent hoses by simply looping the attached integral cord around the hose, the cord is easily and quickly removed if not required.