Aluminum Din Regulator Cap

            Aluminum Din Dust Cap

  Precision machined from aluminum Protects threads on DIN first stage Seals water out of first stage Attached nylon cord lanyard   This version has a machined inner edge to seal the regulator o-ring against the cap.  This way you have the ability to soak the regulator in a dunk tank. 

Please note: if this cap is used with regs that see saltwater put a little bit of grease on the threads to protect the cap and brass din from dissimilar metal corrosion.