... according to DIN EN 13046, DIN 5059/1 and TUBEX Germany Production Standards Tube Body Diameter: 19 ... -35 mm,Tube Body Length: from 112mm to 175mm,Material: by ... : various shape, and screw dimension from M11 to M15, with membrane or open, based on ... design of caps for options, also developped according to the customer's requirements, High quality aluminium tube ...