Ordering Description Product number Description: ADAPT B/ACETF A/ACETM Product number: 6999 Description: Hose Connection to Hose Connection (Straight) "B" Oxygen External to "A" Oxygen Internal Product number: 6998 Description: Hose Connection to Hose Connection (Straight) "B" Oxygen male to "B" Argon male Product number: 11N21 Description: Hose Connection to Hose Connection (Straight) "C" Fuel Gas External to "B" Fuel Gas Internal Product number: 18X29* Description: Hose Connection to Hose Connection (Straight) "C" Oxygen External to "B" Oxygen Internal Product number: 18X19*