ok so i went to the welding supplier,told them what i had and what i believe i needed. they ordered me 2 1/4in barbs that fit into the same type of fitting thats already on the torch!!!!. what i tink im looking for would be MALE on both ends, one 41/64th the other 9/16ths.am i right??. i dont know anything about this torch other than its really good if you can get gas to it!!