• Assortment of 28 fittings, including “Y”, “T” and straight connectors, quick disconnect fittings and flow control tubing clamps. • Compatible with tubing of 4.7 to 12.7 mm (3/16” to 1/2”) internal diameters. • Quick disconnect fittings are made of polyethylene. Other fittings are made of molded autoclavable polypropylene (121°C or 250°F). • Includes 5 straight connectors, 4 stepped fittings, 8 bifurcated “Y” fittings, 4 “T” connectors, 5 quick disconnect fittings and 2 flow control tubing clamps, all stored in a clear polypropylene organizing box.