Same great  #14 as the glass version , This full ceramic model comes with and spare screen and this model threads on your 45V44 gas lens if you have a 9 or 20 torch ,  Or   if you have a 17,18 or 26 torch you will need the adapter kit, This cup is recommended for DC only and 3/32 tungsten. It will give best results with 25-30 CFH of argon flow.