Low finned tubes Low finned tubesMaterial choices: carbon steel, stainless steel, copper, copper-zinc, copper-nickel, aluminiumInchmmODø 9,0 – ø 50,8 mmFins per inch n= 16-26 fpi High finned tubes Type L, KL, LL, G and Extruded More info Low finned tubes More info Louvers Manually or automatically More info