Drying tubes with tube fittings can be filled with desiccant of your choice.
• Each tube is supplied with two polypropylene fittings with serrated tapered end that accept 6.4 to 9.5mm (¼ to ?") I.D. tubing
• Unbreakable polyethylene straight tubes; 16mm I.D. x 19mm O.D. (? x ¾")
• Drying agent not included