Choose from reflux caps or watch glasses compatible with digestion cups.

• Optimize use of your HotBlock® digestion cup

These disposable 34 mm reflux caps fit onto our 50 ml digestion cups. This special cap has a 12.7 mm hole in its center to allow for the addition of reagents during digestion.

The watch glasses feature a ribbed design which allows partial reflux during digestion. Watch glass has a large center stem to aid in handling.