Environmental Express Disposable Reflux Caps, 50 mL; 1000/Pk

Choose from a wide range of accessories and replacement parts for your digestion tubes.

Reflux caps are made from metals-free polypropylene and are ideal for digestions where reagents need to be added throughout the heating process. The reflux caps fit onto the 50-mL digestion cups and have a 1/2" (12.7 mm) hole in the center for easy reagent addition.