... ~3.5mm 5.Tube Diameter:5/16",3/8",1/2", 5/8". Shanghai Shenglin provides customers with high-quality and ... Steel pipe with an outer diameter of 3/8",1/2"and 5/8";stainless or carbon steel Type: 1.Standard model ... stage compressor circuit Bay numbers:2,3,4,5,6,8,10,12... Finned tubes:Sine wave (corrugated form),crumple ... Application Coils. New type aluminum small cooling and heating ac condenser coil